User's Guide
SLWU074 – October 2011
TSW3725EVM Evaluation Module
This document outlines the basic steps and functions that are required to ensure the proper operation of
the TSW3725EVM evaluation module. This guide helps the user to quickly evaluate the performance of
the TSW3725EVM TX, RX, and Feedback signal chain.
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Contents
Overview ..................................................................................................................... 4
General Description ......................................................................................................... 5
2.1
TSW3725 and TSW32725 Adaptor Board ...................................................................... 6
2.2
TSW3725 – Stand-Alone Configuration ......................................................................... 7
Software Installation ........................................................................................................ 7
3.1
Downloading TSW3725 Software and MATLAB™ MCR 7.13 (MATLAB™ Compiler Runtime) ........ 7
3.2
Installing FT245R Drivers ......................................................................................... 7
3.3
Installing MATLAB™ MCR 7.13 (MATLAB™ Compiler Runtime) ........................................... 8
Hardware Overview ....................................................................................................... 10
4.1
Converting From SCBP Mode to Stand-Alone Mode ........................................................ 11
4.2
Hardware Setup and Connections – TSW3725 Stand Alone Configuration .............................. 11
4.3
Power-Up Sequence ............................................................................................. 13
4.4
Power-Down Sequence .......................................................................................... 15
Quick Setup ................................................................................................................ 15
5.1
Starting the TSW3725 GUI Software .......................................................................... 15
5.2
Load the Default TSW3725 Configuration .................................................................... 16
5.3
TX Path: TSW3100 Software Setup – Single Tone Example .............................................. 17
5.4
Feedback Path: TSW1200 Software Setup – Single Tone Example ...................................... 20
5.5
RX Path: TSW1200 Software Setup – Single Tone Example .............................................. 22
LTE Demonstration ........................................................................................................ 26
GUI Functions .............................................................................................................. 29
7.1
Configuration Control Panel ..................................................................................... 29
7.2
Master Power Enable/Disable Panel ........................................................................... 33
7.3
RD/WR/DISPLAY and the DISPLAY GUI ..................................................................... 34
7.4
DISPLAY GUI ..................................................................................................... 35
7.5
Clocks – CDCE72010 Panel .................................................................................... 36
7.6
TX and Feedback Panel ......................................................................................... 37
7.7
RX Panel ........................................................................................................... 42
Typical Performance Numbers .......................................................................................... 43
8.1
TSW3725 Electrical Characteristics ............................................................................ 43
8.2
TSW3725 Electrical Characteristics ............................................................................ 43
8.3
TSW3725 Electrical Characteristics ............................................................................ 44
8.4
TSW3725 Electrical Characteristics ............................................................................ 45
8.5
TSW3725 Electrical Characteristics ............................................................................ 46
Typical Performance Plots ............................................................................................... 47
Programming Information ................................................................................................ 51
List of Figures
1
TSW3725EVM Block Diagram ............................................................................................ 5
2
TSW3725EVM ............................................................................................................... 6
MATLAB is a trademark of The MathWorks, Inc.
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TSW3725 in Stand-Alone Configuration (TSW1200 Not Shown) ....................................................
TX and FB Configuration .................................................................................................
2 TX and 2 RX Configuration ............................................................................................
Two TX, FB, and Two RX Configuration (Requires Two Computers) ..............................................
TSW3725_GUI.exe........................................................................................................
TSW3725 GUI at Start-Up ...............................................................................................
TSW3725 GUI After Load is Complete .................................................................................
TSW3100 GUI .............................................................................................................
TSW3100GUI After Waveform Created ................................................................................
TSW1200 GUI .............................................................................................................
TSW1200 GUI – ADC Selection .........................................................................................
TSW1200 GUI – Capture Option ........................................................................................
TSW1200 GUI – Test Selection .........................................................................................
TSW1200 GUI – Test Setup Frequencies .............................................................................
TSW1200 GUI .............................................................................................................
TSW1200 GUI – ADC Selection .........................................................................................
TSW1200 – Capture Option .............................................................................................
TSW1200 – Test Selection ...............................................................................................
TSW1200 GUI – Test Setup Frequencies .............................................................................
TSW1200 GUI – ADC Channel Selection ..............................................................................
TSW3725 GUI – RX Path Gain ..........................................................................................
TSW3100 LTE GUI ........................................................................................................
TSW3100 LTE GUI After Waveform Created..........................................................................
TSW3725 GUI .............................................................................................................
Configuration Control Panel ..............................................................................................
Configuration Control Panel on Initial Start-Up ........................................................................
Configuration Control Panel While Programming the TSW3725 ....................................................
Configuration Control Panel When TSW3725 not Powered Up or USB Cable Not Connected ................
Configuration Control – Loading Other Configuration Files ..........................................................
Configuration Control – Saving New Configuration Files ............................................................
Log SPI .....................................................................................................................
Master Power Enable/Disable Panel ....................................................................................
Master Power Enable/Disable ...........................................................................................
DISPLAY GUI for DAC3484 .............................................................................................
CDCE72010 Panel ........................................................................................................
TRF3720-1 Panel ..........................................................................................................
TRF3720-1 Error, TRF3720’s Ref Is Changed in CDCE72010 Menu ..............................................
TRF3720-1 Error, REFIN Is Not an Integer Multiple of PFD. .......................................................
DAC3484 Panel............................................................................................................
DAC3484 QMC CONTROL ..............................................................................................
DAC3484 Mixing Options – Coarse Mixing ............................................................................
DAC3484 Mixing Options – Fine Mixing................................................................................
DAC3484 Mixing Options – OFF ........................................................................................
TX Attenuation Panel .....................................................................................................
Feedback Path Panel .....................................................................................................
RX Path .....................................................................................................................
Tx EVM vs Frequency/Attenuation LTE 5 MHz TM3.1 ...............................................................
Tx EVM vs Frequency/Attenuation LTE 10 MHz TM3.1 .............................................................
TSW3725 Rev-A Adaptor
TSW3725EVM Evaluation Module
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Tx ACLR vs Frequency/Attenuation LTE 5 MHz TM1.1 ..............................................................
Tx ACLR vs Frequency/Attenuation LTE 10 MHz TM1.1 ............................................................
Tx ACLR vs Frequency/Attenuation LTE 20 MHz TM1.1 ............................................................
Tx Output Phase Noise vs Frequency Minimum Attenuation ........................................................
Tx Output Phase Noise vs Frequency Maximum Attenuation .......................................................
Tx Output Noise vs Frequency ..........................................................................................
Tx OIP3 vs LO Frequency................................................................................................
Rx EVM vs Frequency/RF Input Amplitude LTE 5-MHz Uplink, 64 QAM ..........................................
Rx EVM vs Frequency/RF Input Amplitude LTE 10-MHz Uplink, 64 QAM ........................................
Rx EVM vs Frequency/RF Input Amplitude LTE 20-MHz Uplink, 64 QAM ........................................
Rx IF Filter Response .....................................................................................................
Rx Idle Channel Noise vs PGA870 Gain Setting ......................................................................
FB EVM vs Input Amplitude/Frequency LTE 5 MHz TM3.1 .........................................................
FB EVM vs Input Amplitude/Frequency LTE 10 MHz TM3.1 ........................................................
FB EVM vs Input Amplitude/Frequency LTE 20 MHz TM3.1 ........................................................
FB ACLR vs Input Amplitude/Frequency LTE 5 MHz TM1.1 ........................................................
FB ACLR vs Input Amplitude/Frequency LTE 10 MHz TM1.1 ......................................................
FB ACLR vs Input Amplitude/Frequency LTE 20 MHz TM1.1.......................................................
FB IF Filter Response.....................................................................................................
FB Idle Channel Noise ....................................................................................................
Tx EVM vs Frequency/Attenuation LTE 20 MHz TM3.1
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List of Tables
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TX and FB Custom settings .............................................................................................. 33
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RX Custom Settings....................................................................................................... 34
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Divider Pulldown Menu Description ..................................................................................... 36
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Overview
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Overview
The TSW3725EVM consists of the following components:
• TSW3725EVM board
• TSW3725 adaptor board
• USB cable
For evaluating the TX chain, the additional hardware requirements are:
• TSW3100EVM (includes 5-/6-V power supply, Ethernet cable, and Ethernet to USB adaptor)
For evaluating the RX or Feedback chain, the additional hardware requirements are:
• TSW1200EVM (includes 5-/6-V power supply and USB cable)
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General Description
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General Description
The TSW3725EVM is a small-cell basestation development platform. It provides two real receive paths,
two complex transmit paths, and a shared real feedback path.
USB
DAC3484
FPGA
TRF3703
GAIN
DAC
SPI
control
TX1 ATTN
TX Out 1
Σ
DAC
TRF3703
6V DC
GAIN
DAC
TX2 ATTN
Σ
TX Out 2
DAC
TRF3720-1
LOP
LON
TX In
J8
ADS41xx/ADS58B1x
FB out
To Adaptor Board
or Baseband Board
PLL /VCO
PGA870 FB
FB In 1
ADC
FB In 2
RX out
Primary
REFIN
ADS42xx/ADS58c2x
PGA870 RX1
ADC
RX In 1
ADC
CDCE 72010
U0/U1
U2
U4
U5
U6
U7
U8
J9
Secondary REFIN
RX In 2
PGA870 RX2
FPGA, 370 REF
REFOUT 1
RX- ADC CLK
TRF3720-2
LOP
LON
PLL/ VCO
FB- ADC CLK
REFOUT 2
TX- ADC CLK
GC5330/TSW3100 CLK
J10
REFOUT 1
Figure 1. TSW3725EVM Block Diagram
The TSW3725 can be evaluated as a stand-alone board with the TSW3100EVM as a digital source board
and the TSW1200EVM as a digital capture board. In this configuration, the TSW3725 adaptor board is
required. A few of the possible configurations to evaluate this board in stand-alone are shown in
Section 4.2 of this document.
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General Description
2.1
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TSW3725 and TSW32725 Adaptor Board
USB
TX Out 1
TX Out 2
6 V DC
FB In 1
FB In 2
connector
(backside)
RX In 1
RX In 2
Secondary
REFIN
REFOUT 1
Figure 2. TSW3725EVM
Figure 2 shows the TSW3725 without RF shields over the Transmit (TX), Feedback (FB), and Receive
(RX) signal chains. Shown in this figure are the locations for several connectors used to operate the
TSW3725. The USB connector is used in Stand-Alone mode, which is described in following text. The J8
connector can either connect to the TSW3725 adaptor boards or the small-cell basestation platform
(SCBP). The supply voltage can be connected from the 6-Vdc connector or the banana plug connectors
shown in Figure 2, or it can be supplied directly form the TSW3725 adaptor or SCBP boards. The primary
30.72-MHz reference for the TSW3725 is supplied from the TSW3725 adaptor board or the SCBP.
However, a connector option on the TSW3725 for a secondary reference is shown in Figure 2.
FB TSW1200
connector
TSW3100
connector
(bottom)
TSW3725
connector
RX TSW1200
connector
6 V DC
(bottom)
REFIN to
TSW3725
Figure 3. TSW3725 Rev-A Adaptor
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Figure 3 shows the TSW3725 adaptor board. This board is used in the stand-alone configuration to
connect the TSW3725 to the TSW3100 digital source board for TX evaluation and the TSW1200 digital
capture board for RX and FB evaluation. This board was also designed to work with the TSW1400, which
is both a digital source and a capture board. At the time of publication of this document, the TSW1400 has
not been released to market.
2.2
TSW3725 – Stand-Alone Configuration
TSW3100
TSW3725
Adaptor Board
TSW3725
Figure 4. TSW3725 in Stand-Alone Configuration (TSW1200 Not Shown)
Figure 4 provides an example of the stand-alone configuration. In this figure, the TSW3725 adaptor board
connects the TSW3725 to the TSW3100. In this mode, the 6-V power and a 30.72-MHz reference must be
supplied to the TSW3725 adaptor board. Also in this mode, the TSW3725 requires a USB connection to
configure the SPI interfaces of the TSW3725 components
3
Software Installation
For the TSW3725 stand-alone configuration, users must install the TSW3725EVM software, the
TSW1200EVM software, and the TSW3100EVM software. The TSW1200EVM and TSW3100EVM
software installation procedures are discussed in their respective user’s guides. This section only
discusses how to install the TSW3725EVM software.
3.1
Downloading TSW3725 Software and MATLAB™ MCR 7.13 (MATLAB™ Compiler
Runtime)
1. Unzip file TSW3725 GUI and MCR INSTALLER.zip.
2. TSW3725 software is located in directory: TSW3725 GUI and MCR INSTALLER\TSW3725_GUI_EXE.
3. MATLAB™ 7.13 MCR installer is located in directory: TSW3725 GUI and MCR
INSTALLER\2010a_MCR.
3.2
Installing FT245R Drivers
The TSW3725 uses the FT245R chip as the USB interface. If the FT245R D2XX drivers are not installed,
the TSW3725 GUI will have the following error if the Program All button is selected.
• ??? Error using → loadlibrary at 480
• There was an error loading the library
“ pathname\TSW3725_GUI_EXE\TSW3725_GUI_mcr\DLL_drivers\tsw6011_usb_spi.dll”
• The specified module could not be found
In most cases, installing these drivers occurs automatically when the TSW3725 USB cable is connected to
a computer and a TSW3725 that have been powered up. The latest version of the D2XX driver can also
be found on the FTDI chip Web site ( http://www.ftdichip.com/Drivers/D2XX.htm ). From here, users can
download the files and executables required.
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Software Installation
3.3
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Installing MATLAB™ MCR 7.13 (MATLAB™ Compiler Runtime)
1. Enter Directory: TSW3725 GUI and MCR INSTALLER\2010a_MCR.
2. Select the file: MCRInstaller.exe. This starts the installation process.
3. Select desired language, and press OK.
4. When the following window appears, press Install.
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5. The following box appears while installing
6. Select Next in the following three windows that follow.
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7. Select Install in the following box; a new box appears that says installation will take several minutes.
8. Select Finish.
9. Installation is complete.
4
Hardware Overview
The TSW3725 hardware can be used in two modes:
Section 1. SCBP mode: Small-cell basestation platform
Section 2. Stand-Alone
Section 4.1 discusses how to convert the TSW3725 from SCBP mode to Stand-Alone mode.
Section 4.2 discusses the hardware connections required in Stand-Alone mode.
Section 4.3 discusses the power-up sequence required in Stand-Alone mode.
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4.1
Converting From SCBP Mode to Stand-Alone Mode
Only one board modification is required to switch between SCBP mode and Stand-Alone mode. The
switch 1 on SW2 determines if the TSW3725 is in SCBP or Stand-Alone mode.
1. Stand-Alone mode:
(a) Push switch 1 on SW2 to the right, with respect to the following picture.
(b) If board is powered, then LED D11 starts blinking and LED D14 should be off.
2. SCBP mode:
(a) Push switch 1 on SW2 to the left, with respect to the following picture.
(b) If board is powered, then LED D14 starts blinking and LED D11 should be off.
D14
D11
SW2
The TSW3725 does have two SPI settings updates when switching between modes. These are important
to understand and perform, if the user is creating configuration files in Stand-Alone mode, and using this
configuration file to program the SCBP in SCBP mode. These SPI settings are listed in the following table
under default settings.
Stand-Alone Mode
TSW3725 GUI
Default Setting
Comments
GC5330/TSW3100 CLK pulldown menu
Set to /8
TSW3100 clock rate determined by DAC3484 interpolation
rate and DDR clock
TSW3725 default DAC3484 interpolation setting = 4x;
set clock rate = 1/(interpolation setting *2); the *2 is due to
DDR clock
DAC3484 config 2, addr 02, bit 16 (MSB)
Set to 1
TSW3100 requires word wide mode
TSW3725 GUI
Default Setting
Comments
GC5330/TSW3100 CLK pulldown menu
Set to /2
GC5330 requires data clock equal to half the DAC data rate
DAC3484 config 2, addr 02, bit 16 (MSB)
Set to 0
GC5330 on SCBP requires byte-wide mode
SCBP Mode
4.2
Hardware Setup and Connections – TSW3725 Stand Alone Configuration
The purpose of this section is to assist the user to set up the TSW3725 hardware quickly, using the
TSW3100 digital source board and TSW1200 digital capture board. This document assumes that the user
has familiarity with the TSW3100 and TSW1200 hardware and software, or that the user has access to the
TSW3100 and TSW1200 EVM user’s guides for TSW3100- or TSW1200-specific issues. Both user’s
guides are available on the TI Web site (www.ti.com).
When using the TSW3100 and TSW1200, the TSW3725 can be configured to run in almost any variety of
measurement configurations as shown in the following illustration. To capture the feedback path and the
RX path simultaneously with multiple TSW1200s, a second computer is required.
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CPU 1
USB
TSW1200
5 or 6 V Power
5 or
6 V Power
USB
ETHERNET
FB ADC to
TSW1200
LVDS routing
TSW3100
DAC3484 to
TSW3100
LVDS routing
TSW3725
Adaptor Board
Rx ADC to
TSW1200
LVDS routing
6 V Power
Supply to
TSW3725
SMA
30.72M Ref
input to
TSW3725
Figure 5. TX and FB Configuration
CPU 1
5 or
6 V Power
USB
ETHERNET
TSW3100
FB ADC to
TSW1200
LVDS routing
DAC3484 to
TSW3100
LVDS routing
TSW3725
Adaptor Board
Rx ADC to
TSW1200
LVDS routing
TSW1200
USB
6 V Power
SMA
Supply to 30.72M Ref
TSW3725
input to
TSW3725
5 or 6 V Power
Figure 6. 2 TX and 2 RX Configuration
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CPU 1
USB
TSW1200
5 or 6 V Power
5 or
6 V Power
USB
ETHERNET
FB ADC to
TSW1200
LVDS routing
TSW3100
DAC3484 to
TSW3100
LVDS routing
TSW3725
Adaptor Board
Rx ADC to
TSW1200
LVDS routing
TSW1200
USB
CPU 2
6 V Power
SMA
Supply to 30.72M Ref
TSW3725
input to
TSW3725
5 or 6 V Power
Figure 7. Two TX, FB, and Two RX Configuration (Requires Two Computers)
4.3
Power-Up Sequence
This section provides the order in which to connect and power up the TSW3725, TSW3100, and
TSW1200 hardware. Depending on the user's desired configuration, some of the following optional
sections can be disregarded.
Section A:
Section B:
Section C:
Section D:
Required:– this section is used for all TSW3725 Stand-Alone measurements.
Optional:– required to evaluate the TX Path.
Optional:– required to evaluate the Feedback Path.
Optional:– required to evaluate the RX Path.
Section A. Required Connection:
This section describes how to connect the TSW3725 to the TSW3725 Adaptor board.
1. Connect TSW3725 connector J8 to TSW3725 Adaptor board connector J1.
2. Connect TSW3725 to a 6-V/4-A supply via any of the three following options.
(a) Option 1: TSW3725 Adaptor board connector J3 (+6V_IN)
(b) Option 2: TSW3725 connector J5
(c) Option 3: TSW3725 banana plugs J7 (GND) and J6 (6 V)
3. Verify the following LEDs are lit on the TSW3725.
(a) D1 6 Vdc: green D2: CDC_STATUS: green
(b) D6: FPGA CONFIG: green
(c) D10: USB POWER: blue
(d) D11: green (blinking), if D14 is blinking instead, then refer to Section 4.1.
4. Connect a 30.72M reference to TSW3725 Adaptor board connector J2.
(a) Refin Input amplitude can range from 0.2 Vpp - 3.3 Vpp
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Section B. Optional Connection: TX Path Digital Source
This section describes how to connect the TSW3100 to the TSW3725 Adaptor board to evaluate the
TSW3725 TX paths. A detailed explanation for the TSW3100 setup is described in the TSW3100EVM
guide, which is available on the TI Web site (www.ti.com)
1. Connect TSW3725 Adaptor board connector J4 to TSW3100 connector J74.
2. Connect TSW3100 connector J9 (5V_IN) to a 5-V or 6-V supply.
3. Set TSW3100 SW1 (BRD_PWR) to ON.
4. Verify the following LEDs are illuminated on the TSW3100.
(a) D3: green
(b) D4: green
(c) D5: green
(d) D6: green
(e) D11 FPGA CONFIG: orange
(f) D13 PAT GEN IDLE: orange
(g) D18 LVDS PLL LOCK: orange
(h) D19 DDR2 PLL LOCK: orange
(i) D20 NIOS PLL LOCK: orange
(j) D25 STATUS 1: orange
(k) D26 STATUS2: orange
5. Connect TSW3100 J13 Ethernet connector to the Ethernet cable; connect Ethernet cable to computer
directly or through an Ethernet/USB adaptor.
6. Verify orange and green LEDs near J13 are illuminated.
7. See TSW3100 High Speed Digital Pattern Generator user's guide (SLLU101) for a detailed explanation
on how to set the TSW3100 IP address
Section C. Optional Connection: Feedback Path Capture
This section describes how to connect the TSW1200 to the TSW3725 Adaptor board to evaluate the
TSW3725s Feedback path. See TSW1200EVM: High-Speed LVDS Deserializer and Analysis System
user's guide (SLAU212) for a detailed explanation for the TSW1200 setup.
1. Connect TSW3725 Adaptor board connector J10 to TSW1200 connector J9.
2. Connect 5-V supply to TSW1200 banana plugs J14 (GND) and J15 (+5 V).
3. Verify that the following LEDs are illuminated on the TSW3100.
(a) D1: blue
(b) D2: blue (blinks)
(c) D4: blue (blinks)
(d) D7: blue
(e) D16: green
4. Connect TSW1200 USB port J8 to USB cable; connect USB cable to computer.
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Section D. Optional Connection: RX Path Capture
This section describes how to connect the TSW1200 to the TSW3725 Adaptor board to evaluate the
TSW3725s RX paths. See TSW1200EVM: High-Speed LVDS Deserializer and Analysis System user's
guide (SLAU212) for a detailed explanation for the TSW1200 setup.
1. Connect TSW3725 Adaptor board connector J6 to TSW1200 connector J9.
2. Connect 5-V supply to TSW1200 banana plugs J14 (GND) and J15 (+5 V).
3. Verify that the following LEDs are illuminated on the TSW3100.
(a) D1: blue
(b) D2: blue (blinks)
(c) D4: blue (blinks)
(d) D7: blue
(e) D16: green
4. Connect TSW1200 USB port J8 to USB cable; connect USB cable to computer.
4.4
Power-Down Sequence
1. If used, turn off TSW3100 power using SW1.
2. Disconnect power to TSW3725EVM.
3. If used, disconnect power to the TSW1200EVM.
5
Quick Setup
This section assumes that the hardware setup was completed in Section 4 and that the hardware is
powered up. The goal of this section is to provide the user a quick setup procedure to start the software
and evaluate a simple single tone signal by using the TSW1200 and/or the TSW3100. This allows users to
become familiar with all the software and hardware components required to use the TSW3725 hardware.
Section 6 discusses more complex waveforms and the related setup. Section 7 discusses the TSW3725
GUI in detail.
5.1
Starting the TSW3725 GUI Software
1. Ensure that TSW3725 hardware connections are completed as discussed in Section 4.
2. Start TSW3725 GUI by selecting the file TSW3725_GUI.EXE. This file resides in the directory
TSW3725 GUI and MCR INSTALLER\TSW3725_GUI_EXE..
Figure 8. TSW3725_GUI.exe
3. The GUI appears as shown in Figure 9
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Figure 9. TSW3725 GUI at Start-Up
5.2
Load the Default TSW3725 Configuration
1. Select the yellow Program All button to program the recommended default settings to the TSW3725.
Default settings are set up for Band 1 LTE and Band 1 WCDMA.
(a) After the yellow Program All button is selected, it turns white and makes text updates as to which
section of the board is being programmed.
(b) This procedure takes approximately 25 seconds to complete.
NOTE: If the following error appears in the cmd tool window that appears with the TSW3725 GUI,
then see Section 3 about installing the FT245 drivers.
??? Error using → loadlibrary at 480
There was an error loading the library
“ pathname\TSW3725_GUI_EXE\TSW3725_GUI_mcr\DLL_drivers\tsw6011_usb_spi.dll”
The specified module could not be found
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2. When programming is complete, the TSW3725 GUI appears as Figure 10 shows.
Figure 10. TSW3725 GUI After Load is Complete
3. When programming is complete, verify that the following LEDs on the TSW3725 HW are illuminated. If
they are, then the TSW3725 was programmed correctly. If they are not, then start over at step 1.
(a) D3 POLLOCK: green (confirms CDC chip is locked)
(b) D4 LD: green (confirms TRF3720 for TX and Feedback paths is locked)
(c) D5 LD: green (confirms TRF3720 for RX path is locked. Note: on Rev A hardware, this LED is
under the RX RF Shield; this LED was moved outside of the RX RF Shield on Rev B hardware.)
5.3
TX Path: TSW3100 Software Setup – Single Tone Example
For a detailed explanation for the TSW3100 setup, see TSW3100 High Speed Digital Pattern Generator
user's guide (SLLU101).
1. From the TI Web site, download and install the TSW3100EVM GUI v2.7 or later version. Earlier
versions of the TSW3100EVM GUI software do not support the DAC3484 input data format that is
required to run the TSW3725.
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2. Load the TSW3100_MultitonPattern_v2p7 GUI, and program the following settings to run a single tone
at 5 MHz with the default settings of the TSW3725 GUI.
(a) Signal Characteristics
(i) Sample Rate: 153.6
(ii) Back off: 0.99
(iii) Resolution: 16
(iv) Vector size: 2^15
(b) Signal Type
(i) Complex
(c) Tone Groups
(i) Select Group 1.
(ii) Tone BW = 1
(iii) # = 1
(iv) Tone Center = 5
(v) Gain(dB) = 0
(d) TSW3100 Control
(i) Select master.
(ii) Select 16b QDAC.
(iii) Select Two’s Comp.
(iv) Select Load and Run.
(v) Select 16b MSB Justify.
(vi) Ensure IP setting is correct (see SLLU101).
3. The TSW3100 appears as shown in Figure 11.
Figure 11. TSW3100 GUI
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4. Click on the green button Create and Save/Run TSW3100, when the TSW3100 is finished. The
TSW3100 appears as shown in Figure 12.
Figure 12. TSW3100GUI After Waveform Created
5. Verify that the following TSW3100 LEDs are illuminated. If these LEDs are not, verify that the
TSW3725 is connected properly and its default settings are loaded,
(a) D14: PAT GEN CLK
(b) D15: PAT GEN RUN
6. If TSW3100 LED D16: FIFO EMPTY ERROR is illuminated, then the TSW3100 did not load correctly
and step 4 needs to be repeated. If this continues, then power cycle the TSW3100 board before
repeating step 4.
7. Ensure that the TSW3725 hardware is programmed with the default_config.m file.
8. The TSW3725 TX1 or TX2 output with these settings have roughly a -25-dBm signal at 2148.6.
This can be calculated by the following equation.
(a) LO frequency = 1990 MHz
(b) Coarse mixer = Fs/4 = 614.4/4 = 153.6 Hz
(c) Tone center in TSW3100 GUI = 5 MHz
(d) Equation = LO frequency + coarse mixer + tone center = 1990 MHz + 153.6 MHz + 5 MHz =
2148.6 MHz
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Quick Setup
5.4
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Feedback Path: TSW1200 Software Setup – Single Tone Example
A detailed explanation for the TSW1200 setup is described in the user's guide SLAU212.
1. From the TI Web site, download and install the TSW1200GUI-SW v2.5 or later version.
2. Load TSW1200_v2p5 or later. The TSW1200 GUI appears as shown in Figure 13.
Figure 13. TSW1200 GUI
3. The text box in the bottom left states TSW1200 found on COM3. If the text box does not state this,
then type CTRL+SHIFT+I. If that des not work, then power cycle the TSW1200 and type
CTRL+SHIFT+I.
4. From the TI ADC Selection pulldown menu, select the Feedback ADC family that is installed on the
TSW3725. The default ADC in the TSW3725 bill of materials is the ADS4149. In this case, select
ADS414x.
Figure 14. TSW1200 GUI – ADC Selection
5. Ensure that the TSW1200 data capture is in Two’s Complement Mode. From the TSW1200 main
toolbar, select Data Capture options → Capture Options → Two’s Complement Mode. This matches
the ADS4149 default SPI setting on the TSW3725 board.
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Figure 15. TSW1200 GUI – Capture Option
6. From the TSW1200 Test pulldown menu, select Single Tone FFT.
Figure 16. TSW1200 GUI – Test Selection
7. Ensure that the TSW3725 hardware is programmed with the default_config.m file.
8. Program the TSW1200 GUI – Single Tone Test Setup as follows
(a) ADC Sample Rate (Fs) = 204.8M
(b) ADC Input Frequency (Fc) = 153.6M
(c) FFT Record Length (Ns) = 16384
(d) Select the Auto Calculation of Coherent Input Frequency check box
9. The GUI now appears as shown in Figure 17.
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Figure 17. TSW1200 GUI – Test Setup Frequencies
10. Apply a +5-dBm, 1836.3875-MHz tone to the TSW3725 FB_IN1 J27 connector (Feedback Path 1).
This frequency can be calculated from the following equation.
(a) LO frequency = 1990 MHz
(b) ADC input frequency = 153.6125 Hz
(c) Equation = LO frequency – ADC input frequency = 1990M-153.6 MHz = 1836.3875 MHz
11. This signal can come from an external source or the TSW3725 TX chain.
12. From the TSW3725 GUI Feedback Path Selection pulldown menu, select FB1 to select the Feedback
Path 1.
13. From the TSW3725 GUI PGA870 Feedback Path, set Gain to 12dB
14. From the TSW1200 GUI click on the Capture button and view the results
5.5
RX Path: TSW1200 Software Setup – Single Tone Example
A detailed explanation for the TSW1200 setup is described in the TSW1200 EVM guide, which is available
on the TI website (www.ti.com)
1. From the TI website download and install the TSW1200GUI-SW v2.5 or later version.
2. Load TSW1200_v2p5 or later. The TSW1200 GUI appear as shown in Figure 18
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Figure 18. TSW1200 GUI
3. The text box in the bottom left states TSW1200 found on COM3. If the text box does not state this,
then type CTRL+SHIFT+I. If that does not work, then power cycle the TSW1200, and type
CTRL+SHIFT+I.
4. From the TI ADC Selection pulldown menu, select the Feedback ADC family that is installed on the
TSW3725. The default ADC in the TSW3725 BILL OF MATERIALS is the ADS4249. In this case,
select ADS424x.
Figure 19. TSW1200 GUI – ADC Selection
5. Ensure that the TSW1200 data capture is in Two’s Complement Mode. From the TSW1200 main
toolbar, select Data Capture options → Capture Options → Two’s Complement Mode. This will match
the ADS4249 default SPI setting on the TSW3725 board.
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Figure 20. TSW1200 – Capture Option
6. From the TSW1200 Test pulldown menu, select Single Tone FFT.
Figure 21. TSW1200 – Test Selection
7. Ensure that the TSW3725 hardware is programmed with the default_config.m file
8. Program the TSW1200 GUI – Single Tone Test Setup as follows.
(a) ADC Sampling rate (Fs) = 204.8M
(b) ADC Input Frequency (Fc) = 140M
(c) FFT Record Length (Ns) = 16384
(d) Select the Auto Calculation of Coherent Input Frequency check box
9. The GUI now appear as follows.
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Figure 22. TSW1200 GUI – Test Setup Frequencies
10. From the TSW1200 GUI Display Channel pulldown menu, determine if Channel A or Channel B is
going to be captured.
Figure 23. TSW1200 GUI – ADC Channel Selection
11. For a Channel A capture: apply a +5-dBm, 1660.0375-MHz tone to the TSW3725 RX_IN1 J17
connector. For a Channel B capture, apply this signal to the RXIN2 J21 connector. This frequency can
be calculated from the following equation.
(a) LO frequency = 1800 MHz
(b) ADC input frequency = 139.9625 Hz
(c) Equation = LO frequency - ADC input frequency = 1800 MHz - 139.9625 MHz = 1660.0375 MHz
This signal can come from an external source or the TSW3725 TX chain.
12. For a Channel A capture, program the TSW3725 GUI’s PGA870 RX1 Path Gain to –3 dB. For a
Channel B capture, program the TSW3725 GUI’s PGA870 RX2 Path Gain to –3 dB.
Figure 24. TSW3725 GUI – RX Path Gain
13. From the TSW1200 GUI, click on the Capture button and view the results
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LTE Demonstration
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LTE Demonstration
A detailed explanation for the TSW3100 setup is described in the TSW3100EVM guide (SLLU101).
1. From the TI Web site, download and install the TSW3100EVM GUI v2.7 or later version. Earlier
versions of the TSW3100EVM GUI software do not support the DAC3484 input data format that is
required to run the TSW3725.
2. Enter the application folder in the TSW3100 download. Select the file TSW3100_LTE_v2p7.exe to
open the TSW3100 LTE GUI. Program the following settings to run a 5-MHz, single-carrier signal using
the TM3.1 signal type.
(a) Properties
(i) Resolution: 16
(ii) Back off(dB): 0.1
(iii) Complex: check 6
(iv) Freq (MHz): 153.
(v) Frames: 1
(b) Carriers
(i) Center Freq (MHz): 0 – This controls the frequency offset for all carriers in the list.
(ii) Relative Amplitude (dBc/Hz)
(iii) Check the box for carrier 1 On
(iv) Freq (MHz): 0 – This controls the frequency offset for carrier 1.
(v) Amp (dB rel): 0
(vi) Bandwidth: 5 MHz TM3.1
(c) TSW3100 Control
(i) Select master.
(ii) Select 16b QDAC.
(iii) Select Two’s Comp.
(iv) Select Load and Run.
(v) Select 16b MSB Justify.
(vi) Ensure that IP setting is correct (see SLLU101).
3. The TSW3100 appears as shown in Figure 25.
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Figure 25. TSW3100 LTE GUI
4. Click on the gray button Generate and Transfer TSW3100. When the TSW3100 is finished, the
TSW3100 appears as shown in Figure 26. This process takes 1 to 2 minutes.
Version 2p7 of the TSW3100 does have some errors in generating certain LTE signals. This will be
fixed in a later version of the TSW3100 software. The following signal types are generated correctly in
version 2p7.
(a) TM3.1 single carrier for 5-MHz, 10-MHz, 15-MHz, and 20-MHz bandwidths (1.4-MHz and 3-MHz do
not demodulate).
(b) TM1.1 single carrier for 5-MHz and 10-MHz bandwidths (1.4-MHz and 3 MHz do not demodulate).
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Figure 26. TSW3100 LTE GUI After Waveform Created
5. Verify that the following TSW3100 LEDs are illuminated. If these LEDs are not illuminated, verify that
the TSW3725 is connected properly and its default settings are loaded,
(a) D14: PAT GEN CLK
(b) D15: PAT GEN RUN
6. If TSW3100 LED D16: FIFO EMPTY ERROR is illuminated, then the TSW3100 did not load correctly
and step 4 needs to be repeated. If this continues, then power cycle the TSW3100 board before
repeating step 4.
7. Ensure that the TSW3725 hardware is programmed with the default_config.m file.
8. The TSW3725 TX1 or TX2 output with these settings must have a 5-MHz LTE signal centered at
2143.6 MHz. This can be calculated by the following equation.
(a) LO frequency = 1990 MHz
(b) Coarse mixer = Fs/4 = 614.4/4 = 153.6 Hz
(c) Tone Center in TSW3100 GUI = 0 MHz
(d) Equation = LO frequency + coarse mixer + tone center = 1990 MHz + 153.6 MHz +0 MHz = 2143.6
MHz
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7
GUI Functions
This section describes how to program each panel of the TSW3725 GUI.
Figure 27. TSW3725 GUI
7.1
Configuration Control Panel
The Configuration Control panel consist of the following.
1. Display Configuration box: displays the configuration file that is loaded when Program All is selected.
2. Load from File button: when pressed, allows the user to select which configuration to load.
3. Program All button: when pressed, the TSW3725 hardware is programmed with the configuration
displayed in the Display Configuration Box.
4. Save Config button: when pressed, allows user to save the configuration currently displayed in the
TSW3725 to a new configuration file name.
5. Log SPI radio button: when selected, the TSW3725 records all the SPI commands sent to the
TSW3725 in the file tsw3725_SPI_commands.csv.
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Display Configuration box
Figure 28. Configuration Control Panel
At Start Up
When the TSW3725 is first started, the Configuration Control panel appears as shown in Figure 29. Notice
that the Save Configuration button has been blacked out. This implies that no configuration has been
loaded to the TSW3725 hardware yet.
Figure 29. Configuration Control Panel on Initial Start-Up
Loading the Default Config
To load the file named default_config.m, press the Program All button. After the Program All button has
been pressed, it turns white and provides status updates on the TSW3725 hardware section that is being
programmed. After the TSW3725 hardware programming is complete, the Program All button displays the
word Done; then it turns yellow and displays Program All. This process takes approximately 25 seconds.
Figure 30. Configuration Control Panel While Programming the TSW3725
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If the TSW3725 hardware is not powered up, or if SW2 is in the wrong state (see Section 4.1), or if the
TSW3725 USB cable is not connected, then the TSW3725 GUI fails to connect to the TSW3725
hardware. When the GUI fails to connect to the TSW3725 hardware, the Configuration Control panel
displays the term usb not connected in the Program All button as shown in Figure 31. If this happens, fix
the connection problem, and then press the Program All button again. Note: the Program All button still
reads usb not connected when the button is pressed the second time.
Figure 31. Configuration Control Panel When TSW3725 not Powered Up or USB Cable Not Connected
The default_config.m file is set up for Band 1 LTE and Band 1 WCDMA frequencies. To improve TX
carrier suppression and sideband suppression numbers, see the immediately following section.
Loading Other Configuration Files
To load a configuration file other than the one displayed in the Display Configuration Box, press the Load
from File button. The following file loader is displayed. Select the desired *_config.m , and press the Open
button. The Display Configuration Box now displays the new configuration file name. To load this new
configuration file, press the Program All button.
Remember to press the
‘Program All’ button to
program the hardware
Figure 32. Configuration Control – Loading Other Configuration Files
The default_config.m file is setup for Band 1 LTE and Band 1 WCDMA frequencies. To improve TX carrier
suppression and sideband suppression numbers for Band 1 LTE and Band 1 WCDMA at 25C, some
board-specific files are available in the QMC_configs_by_SN (TSW3725 Stand-Alone mode) and
QMC_configs_by_SN/SCBP configs (TSW3725 SCBP mode) directories located in the main TSW3725
GUI directory. These files have factory-adjusted DAC3484 settings that correct for offset, phase, and gain
errors in the TX modulator. If this file does not exist for a certain serial number, one can either perform a
self-calibration using the DAC3484: QMC CONTROL GUI or contact the factory to see if this file was
created after the latest TSW3725 software release. Refer to section 7.5.2 for instructions on how to
program the DAC3484: QMC CONTROL GUI.
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Saving a New Configuration File
In some cases, the user may modify the settings in the TSW3725 GUI and want to save these settings to
a unique file. To save the configuration currently programmed in the TSW3725 to a new file, press the
Save Configuration button. The following file box is displayed (Figure 33). Save the file to a unique
filename. The filename must end with _config.m.
Figure 33. Configuration Control – Saving New Configuration Files
Log SPI Radio Button
By selecting the Log SPI radio button, the following happens:
1. The existing file tsw3725_SPI_commands.csv is removed.
2. A new file tsw3725_SPI_commands.csv is created.
3. All SPI commands are recorded in the file tsw3725_SPI_commands.csv until Log SPI’ is deselected.
The file tsw3725_SPI_commands.csv has the following columns:
1. chipid: The FPGA on the TSW3725 selects which device the SPI command is sent to based on the
chip ID number.
2. spi_word_hex: The hexadecimal word sent to the device that has been designated. This hexadecimal
word includes the address and register bits in the order that the device is expecting.
3. spi_word_length: The length of the word sent to the designated device. This adds the number of
address bits and register bits.
4. addr_bin: The address that is being programmed in binary form. This is another way of showing the
same information in spi_word_hex.
5. reg_bin: The register bits in binary form that are sent to the address. This is another way of showing
the same information in spi_word_hex.
This button allows the user to load any working configuration file and record all the spi commands sent to
the TSW3725. At this point, the user can use the tsw3725_SPI_commands.csv to aid in programming the
SCBP board to the user’s unique configuration.
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Figure 34. Log SPI
7.2
Master Power Enable/Disable Panel
The Master Power Enable/Disable panel consists of the following:
1. Main pulldown menu: allows the user three options (ALL ON -reset, ALL-OFF-reset, CUSTOM)
2. Individual Custom pulldown menus: In CUSTOM mode, these menus allow the user to power on or
off individual sections of the TSW3725 hardware.
Figure 35. Master Power Enable/Disable Panel
The ability to quickly turn on and turn off large sections of circuitry can aid in debugging if the user is
interested in optimizing performance. It also can be used to disable a specific signal chain if the user is
interested in a subset of the TSW3725 functionality. The following tables describe the actions taken for
certain combinations CUSTOM GUI settings.
Table 1. TX and FB Custom settings
TX1
TX2
TX3
ON
ON
ON
All TX and FB components active
Device State Changes
OFF
ON
ON
DAC3484: DAC A and B set to sleep mode
DAC3484: QMC C&D GAIN = 0, QMC PHASE A and B = 0
ON
OFF
ON
DAC3484: DAC C and D set to sleep mode
DAC3484: QMC C and D GAIN = 0, QMC PHASE C and D = 0
OFF
OFF
ON
DAC3484: DAC A, B, C, and D set to sleep mode
DAC3484: QMC A, B, C, and D GAIN = 0, QMC PHASE A , B, C, and D = 0
DAC input clock output and divider from CDCE72010 disabled
ON
ON
OFF
FB PGA870 set to sleep mode
FB ADC(ADS4149) set to sleep mode
FB ADC input clock output and divider from CDCE72010 disabled
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Table 1. TX and FB Custom settings (continued)
TX1
OFF
TX2
OFF
TX3
OFF
Device State Changes
DAC3484: DAC A, B, C, and D set to sleep mode
DAC3484: QMC A, B, C, and D GAIN = 0, QMC PHASE A and B, C and D = 0
DAC input clock output and divider from CDCE72010 disabled
FB PGA870 set to sleep mode
FB ADC(ADS4149) set to sleep mode
FB ADC input clock output and divider from CDCE72010 disabled
TX and FB LO (TRF3720-1) set to sleep mode
TX and FB LO reference (TRF3720-1) output from CDCE72010 disabled (divider still enabled)
Table 2. RX Custom Settings
RX1
RX2
Device State Changes
ON
ON
All RX components active
OFF
ON
RX1 PGA870 set to sleep mode
ON
OFF
RX2 PGA870 set to sleep mode
OFF
OFF
RX1 and RX2 PGA870 set to sleep mode
RX ADC(ADS4249) set to sleep mode
RX ADC input clock output and divider from CDCE72010 disabled
RX LO (TRF3720-2) set to sleep mode
RX LO reference (TRF3720-2) output from CDCE72010 disabled (divider still enabled)
The MAIN pulldown menu options of ALL ON-reset and ALL OFF-reset are equivalent to programming a
CUSTOM mode of TX1 = TX2 = FB = RX1= RX2 = ON and TX1 = TX2 = FB = RX1 = RX2 = OFF,
respectively.
7.3
RD/WR/DISPLAY and the DISPLAY GUI
The TSW3725 GUI provides boxes and menus for the most common functions that the user will use to
configure the TSW3725. However, for the less common options, the TSW3725 GUI has six
RD/WR/DISPLAY options. These allow the user to program the serial interface directly to the following six
parts.
1. CDCE72010
2. TRF3720-1 (TX LO)
3. DAC3484
4. ADS41xx/ADS58B1x (FB ADC)
5. TRF3720-2 (RX LO)
6. ADS42xx/ADS58C2x (RX dual ADC)
See the individual parts data sheets for part-specific register settings and functions.
Figure 36. Master Power Enable/Disable
The RD/WR/DISPLAY section consist of the following:
1. ADDR: input a valid address from the data sheet to read from or write to.
2. DATA: when the RD button is pressed, this displays the data programmed in the ADDR specified;
DATA : when the WR button is pressed, this writes the data in this box to the ADDR specified.
3. RD: when pressed, this reads register DATA from the ADDR specified.
4. WR: when pressed, this writes register DATA to the ADDR specified.
5. DISPLAY: when pressed, this calls the DISPLAY GUI for the device of interest. The DISPLAY GUI
provides read-back information for all registers of a given device. See the following Display GUI
section for a more detailed description.
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7.4
DISPLAY GUI
The DISPLAY GUI is used to quickly verify all register settings for a device. It also allows the user to
compare the register data that was written to the part versus the register data read from the part. If a
mismatch in the data written versus the data read is found, this may mean that the register is a read-only
register or that an issue exists and the TSW3725 needs to be reprogrammed.
The DISPLAY GUI is a read-only GUI. It also does not update automatically when a change is made in the
TSW3725 GUI. To see the new updates in the DISPLAY GUI, the user needs to press the DISPLAY
button in the TSW3725 GUI.
The DISPLAY GUI consist of the following:
1. Part Number: displays the part number whose serial register information is displayed.
2. Part ID: This number refers to the ID number that the MATLAB™ software sends to the TSW3725
hardware to program a certain device.
3. Reg Name: in the individual device data sheet, the registers are given a name assignment for each
register address.
4. Reg Addr: the register address programmed, displayed in hexadecimal format (MSB to LSB).
5. Write Reg Data: displays the data that was most recently written to a specific register address,
displayed in hexadecimal format (MSB to LSB).
6. Reg Readback: displays the actual data read back from the device’s specific register address,
displayed in hexadecimal format (MSB to LSB).
Figure 37. DISPLAY GUI for DAC3484
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Clocks – CDCE72010 Panel
VCXO/REF
Section
Divider Pulldown
Divider Output Frequency
Display Boxes
Figure 38. CDCE72010 Panel
The Clocks – CDCE72010 panel consist of the following:
1. VCXO/REF Section:
(a) VCXO: VCXO frequency in MHz, matches the frequency of schematic component Y1. The default
hardware comes with a 614.4-MHz VCXO. If a different VCXO frequency is selected in the GUI,
remember to manually reprogram the CDCE72010’s P-, —, and N-dividers so that the VCXO and
REF IN divide down properly.
(b) REF OPT: Primary (default setting) or Secondary reference
(i) The Primary reference is connected through the TSW3725 high-speed connector J8 on pin
179. This is the option used when the external reference is applied to J2 of the TSW3725
Adaptor Board or if the user has connected the digital baseband board.
(ii) Secondary reference is the option used when the external reference is applied to J9 of the
TSW3725 hardware.
(c) REF IN FREQ: The default setting is 30.72 MHz. This is the frequency supplied to the connector
described in the REF OPT section. If a different REF IN frequency is written to the GUI, remember
to manually reprogram the CDCE72010’s P-, —, and N-dividers so that the VCXO and REF IN
divide down properly. This frequency must meet the CDCE72010 data sheet frequency and
amplitude specifications.
2. Divider Pulldown Menus: Allows for direct programming of seven of the CDCE72010 output divider
frequencies. The default setting for each is provided in Table 3. These settings are the defaults based
on the TSW3725 default hardware configuration used with the TSW3100 for driving the TX chain.
(a) For the most part, if any of these settings are changed, then some hardware modifications are
required.
(b) The FPGA, 3720 reference must not be programmed OFF in most cases, as this is the clock
supplied to the FPGA that allows the serial interface programming to work.
(c) The TSW3100 CLK is calculated by this equation: VCXO frequency/(DAC3484 interpolation setting
× 2). The × 2 in the denominator is due to the DDR clock of the DAC3484.
See Table 3 for individual divider information.
Table 3. Divider Pulldown Menu Description
36
Divider Pulldown Menu
Name
CDCE72010 Pin
Name/Signal Type
TSW3725 Function
FPGA, 3720 REF
U0N/LVCMOS
U1P/LVCMOS
U1N/LVCMOS
FPGA clock reference
TRF3720-1 reference input (TX and FB)
TRF3720-2 reference input (RX)
REFOUT1
U2P/LVCMOS
Sent to SMA connector J10 (ac coupled)
RX-ADC CLK
U4P/LVCMOS
Sent to Bandpass filter, converted to a differential signal via a
transformer than sent to RX Dual ADC
FB-ADC CLK
U5P/LVCMOS
Sent to Bandpass filter, converted to a differential signal a via
transformer than sent to Feedback ADC
REFOUT2
U6P/LVCMOS
Sent to MCX connector J38 (dc coupled)
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Table 3. Divider Pulldown Menu Description (continued)
Divider Pulldown Menu
Name
CDCE72010 Pin
Name/Signal Type
TSW3725 Function
TX-DAC CLK
U7/LVPECL
DAC3484 DACCLK pins
GC5330/TSW3100 CLK
U8/LVDS
Sent to high-speed connector J8. J8 connects to the TSW3725
adaptor board for the TSW3100 FPGA clock, or to the digital
baseband board for the GC5330 clock
(d) Divider Output Frequency Display Boxes: these are display-only boxes for quick reference. The
display boxes show the result of this equation, (VCXO frequency)/(output divider setting)
(e) RD/WR/DISPLAY: read/write programmability of the CDCE72010 serial interface. See the
‘RD/WR/DISPLAY’ section for more details.
7.6
7.6.1
TX and Feedback Panel
TRF3720-1 Panel
The ‘TRF3720-1’ panel consists of the following:
1. LO (MHz): Type in the desired LO frequency and press enter. Several TRF3720 register values are
automatically calculated and updated when the LO frequency is changed. This text box will turn red if
the REF IN frequency in the CDCE72010 menu changes after the TRF3720 is programmed. The red
indicates the TRF3720 needs to be reprogrammed. The REF IN text box will also turn red and state
‘REF from CDC changed, update LO’. To reprogram the TRF3720 set your cursor in the LO text box
and press enter.
2. PFD (MHz): Type in the desired PFD frequency and press enter. Several TRF3720 register values are
automatically calculated and updated when the PFD frequency is changed. This text box will turn red if
the TRF3720 reference frequency from the CDCE72010 device is not an integer multiple of the PFD
frequency. The REF IN text box will also turn red and state ‘PFD&REFIN, are not integer multiples’. To
correct this, enter a PFD frequency that is an integer sub-multiple of the TRF3720 reference frequency.
3. REF IN: A text box that reminds the user that the TRF3720 reference input frequency is set by one of
the CDCE72010 output dividers. When this box turns red it indicates the TRF3720 register settings are
not programmed correctly. The text in the box will either read ‘PFD&REFIN, are not integer multiples’
or ‘REF from CDC changed, update LO’. The actions taken to correct these errors are described
directly above in the LO (MHz) and PFD (MHz) descriptions.
4. Mode: Allows users to choose between Fractional and Integer mode. In Integer mode, the LO
frequency is updated by rounding down to the next closest working integer LO frequency. Several
TRF3720 register values are automatically calculated and updated when the mode is switched from
integer to fractional or vice versa.
5. RD/WR/DISPLAY: read write programmability of the TRF3720 serial interface. See the
RD/WR/DISPLAY section for more details.???
Figure 39. TRF3720-1 Panel
To correct, place cursor i n LO (MHz) box and press
enter to reprogram TRF3720 with new reference Frequency.
Figure 40. TRF3720-1 Error, TRF3720’s Ref Is Changed in CDCE72010 Menu
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To correct, program the correct PFD (MHz)
frequency and press enter
Figure 41. TRF3720-1 Error, REFIN Is Not an Integer Multiple of PFD.
7.6.2
DAC3484 Panel
The DAC3484 panel consists of the following:
1. QMC section (Quadrature Modulation Correction): allows user to easily program the QMC section
of the DAC3484. A detailed description of the QMC section is follows.
2. Mixing options: allows user to easily program the digital coarse or fine mixers in the DAC3484.
3. FIFO menu: allows user to turn the FIFO on or off. The default state is on.
4. Interpolation menu: allows users to select the 1x, 2x, 4x, 8x, or 16x interpolation modes. The default
state is 4x interpolation. Changing the interpolation mode requires users to change the
GC5330/TSW3100CLK frequency or the TX-DAC CLK frequency in the Clock – CDCE72010 section,
because TX-DAC CLK clock = (DAC input data rate x interpolation mode). The TSW3100 accepts a
DDR clock; remember this when determining the GC5330/TSW3100CLK. The TSW3100 input
waveform may need to be recalculated if the interpolation mode is changed.
5. RD/WR/DISPLAY: read/write programmability of the DAC3484 serial interface. See Section 7.3 for
more details.
QMC section
Mixing Options
Figure 42. DAC3484 Panel
Detailed Descriptions:
1. DAC3484 QMC section:
(a) QMC pulldown menu: allows the user to turn the DAC3484’s QMC mode on or off.
(b) Restore QMC Defaults button: When pressed, the default QMC settings are loaded from the
configuration file that was loaded to the TSW3725 in the Configuration Control panel of the
TSW3725 GUI. This allows the user the ability to reload the ideal QMC configuration setting without
having to reload the *_config.m file.
(c) Input/View QMC Settings button: When pressed, the DAC3484: QMC CONTROL GUI is made
available. The instructions to program this GUI are provided in the bottom left corner of the GUI
window. This GUI allows the user to view/program the QMC offset, gain, and phase adjust values
more efficiently than using the RD/WR/DISPLAY boxes provided in the DAC3484 panel. This allows
users to find an ideal QMC setting for their specific board and conditions. The user can then save
this setup to a new configuration file using the Save Configuration button in the Configuration
Control panel of the TSW3725 GUI.
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Figure 43. DAC3484 QMC CONTROL
2. QMC Carrier Correction Technique Hints
(a) For TX1: modify Channels A & B OFFSET configurations.
(b) For TX2: modify Channels C & D OFFSET configurations.
(c) Set TSW3725 TX paths to minimum attenuation (see section 7.6.3)
(d) Monitor the appropriate channels TX carrier frequency (LO frequency) amplitude on a spectrum
analyzer.
(e) After programming a new OFFSET configuration, verify this lowered the amplitude of the carrier on
a spectrum analyzer.
(f) Example TX1:
(i) Record carrier amplitude with default settings.
(ii) Change Channel A offset to 0x0100.
– If carrier amplitude decreases, change Channel A offset to 0x0200.
– If carrier amplitude increases, change Channel A offset to 0x1FF.
(iii) Continue increasing or decreasing offset values until no improvement is seen.
(iv) Change Channel B offset to 0x0100.
– If carrier amplitude decreases, change Channel A offset to 0x0200.
– If carrier amplitude increases, change Channel A offset to 0x1FF.
(v) Continue increasing or decreasing offset values until no improvement seen.
(vi) Repeat Step b to e, except this time, vary the hexadecimal location denoted by an Y; 0x00Y0.
(vii) Repeat Step b to e, except this time, vary the hexadecimal location denoted by an Z; 0x000Z.
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3. QMC Sideband Correction Technique Hints
(a) For TX1: modify Channels A and B GAIN, PHASE configurations.
(b) For TX2: modify Channels C and D GAIN, PHASE configurations.
(c) Set TSW3725 TX paths to minimum attenuation (see section 7.6.3).
(d) Monitor the appropriate channels TX sideband frequency (LO frequency) amplitude on a spectrum
analyzer.
(e) After programming a new GAIN or PHASE configuration, verify this lowered the amplitude of the
carrier on a spectrum analyzer.
(f) Example TX1:
(i) Record sideband amplitude with default settings.
(ii) Change Channel A gain to 0.498.
– If sideband amplitude decreases, change Channel A gain to 0.497.
– If sideband amplitude increases, change Channel A gain to 0.501.
(iii) Continue increasing or decreasing gain values until no improvement is seen.
(iv) Now Change Channel B gain to 0.498.
– If sideband amplitude decreases, change Channel A gain to 0.497.
– If sideband amplitude increases, change Channel A gain to 0.501.
(v) Continue increasing or decreasing offset values until no improvement is seen.
(vi) Change Channel A&B Phase to 0.001.
– If sideband amplitude decreases, change Channel A&B phase to 0.002.
– If sideband amplitude increases, change Channel A&B phase to –0.001.
(vii) Repeat Steps b to d except varying smaller significant digits for each setting; repeat until
sideband amplitude is acceptable or cannot be decreased anymore.
4. DAC3484 Mixing Options:
(a) Mixer Selection menu: Allows the user to select between the Coarse Mixer, the Fine Mixer, and
the option of turning the coarse and fine digital mixers in the DAC3484 off.
(b) Coarse Mixer Programming menu: Enabled when the Mixer Selection menu is set to Coarse.
Allows user to chose between the coarse mixer frequency settings of –Fs/4, +Fs/2, +Fs/4, +Fs/8,
–3Fs/8, +3Fs/8, and –Fs/8. When the Mixer Selection menu is set to Fine or Off, the Coarse Mixer
Programming turns gray and displays the word N/A.
(c) Fine Mixer Programming section: Enabled when the Mixer Selection menu is set to Fine. When
Fine Mixing is enabled, the FDAC text box displays the same frequency that is shown in the
CDCE72010 ‘TX-DAC CLK’ output frequency text box. The user can manually enter the NCO
frequencies and phase offset for both NCOs in this section. After a value is entered, press enter
and the GUI programs the DAC3484 to the new setting. The PhaseADD text boxes are updated
after a new NCO freq (MHz) or FDAC frequency are programmed.
The following examples show what the Fine Mixer Programming section looks like when the Mixer
Selection box is set to Coarse, Fine, or OFF.
Mixer
Selection
Coarse Mixer
Programming
Fine Mixer
Programming
Figure 44. DAC3484 Mixing Options – Coarse Mixing
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Figure 45. DAC3484 Mixing Options – Fine Mixing
Figure 46. DAC3484 Mixing Options – OFF
7.6.3
TX Attenuation Panel
The TX Attenuation panel allows for individual control of the attenuators on the TX1 and TX2 paths. The
default attenuators on the TSW3725 have an attenuation range from 0 dB to 31.75 dB in 0.25-dB steps. In
the default_config configuration file, the attenuation settings default to the maximum attenuation of 31.75
dB to reduce the chances of damaging components connected to the TX1 and TX2 output SMA
connectors.
To program a different attenuation setting in the GUI, type a new value and press Enter. If an improper
value is typed, then the GUI software automatically modifies the value to the closest valid attenuation
setting.
Figure 47. TX Attenuation Panel
7.6.4
Feedback Path Panel
The Feedback Path panel consists of the following:
1. Feedback Path Selection: The TSW3725 has a shared feedback path for TX1 and TX2. The
Feedback Path Selection menu has three options – FB1, FB2, or OFF. This menu allows the user to
control the RF switch that selects the SMA to feedback path 1 (FB1), the SMA to feedback path 2
(FB2), or it deselects both feedback paths (OFF).
2. PGA870 Feedback Path Gain: Allows the user the ability to set the gain of the PGA870 in the
feedback path. The PGA870 has a gain range of -11.5 to 20 dB in 0.5-dB steps. To program a different
gain setting in the GUI, type a new value and press Enter. If an improper value is typed, then the GUI
software automatically modifies the value to the closest valid gain setting. The PGA870 does have a
power-down mode, but that can only be programmed via the Master Power Enable/Disable panel of
the TSW3725 GUI.
3. RD/WR/DISPLAY: Generally, the ADC settings remain constant after the TSW3725 is initialized.
However, read/write programmability of the Feedback ADC serial interface is provided. See the
RD/WR/DISPLAY section for more details.
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Figure 48. Feedback Path Panel
7.7
RX Panel
Figure 49. RX Path
7.7.1
TRF3720-2 Panel
The TRF3720-2 panel provides the LO frequency for the RX1 and RX2 mixers. Programming of this panel
is identical to TRF3720-1 panel in the TX section. See TX and Feedback, TRF3720-1 for an overview of
this panel.
7.7.2
RX Path Panel
The RX Path panel gives the user the ability to program the RX path 1 PGA870 gain, RX path 2 PGA870
gain, and the Dual RX ADC. This panel behaves much like the TX and Feedback, Feedback Path
programming. See TX and Feedback, Feedback Path for an overview of this panel.
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8
Typical Performance Numbers
8.1
TSW3725 Electrical Characteristics
PARAMETER
TEST CONDITION
TYP
UNIT
6
V
DC PARAMETERS
Supply voltage
Supply current
TX1, TX2, FB, RX1, RX2 ON; default configuration
PWDN current
TX1, TX2, FB, RX1, RX2 PWDN; default configuration
3.2
A
19.2
W
1.9
A
11.4
W
5
MHz
SERIAL INTERFACE PARAMETERS
FCLK (maximum)
8.2
TSW3725 Electrical Characteristics
Test conditions (unless otherwise noted): Power = 6 V, TX attn = 0 dB, DAC3484 IF=153.6 MHz,
DAC3484 QMC gain setting = 0.5, DAC clk = 614.4 MHz, Fractional LO
PARAMETER
TEST CONDITION
TYP
UNIT
Max freq Limited by LPF on LO path
2200
MHz
Min freq Limited by splitter on LO path
1350
MHz
6
dB
Max
31.75
dB
Min
0
dB
TRANSMIT PARAMETERS
TX LO
Default schematic
RF output power
RF output
attenuation
RFOut = 1550 MHz to 2250 MHz
step size
Gain flatness
0.25
dB
RF = 1650 MHz to 2250 MHz, TX attn = 0
1
dB
RF = 1650 MHz to 2250 MHz, TX attn = 15
1
dB
RF out = 1550 MHz
410
mdeg
RF out = 1900 MHz
360
mdeg
Pout = –16 dBm, integrate 1 kHz to 10 MHz
Output noise
RF out = 2250 MHz
380
mdeg
OIP2
RF out = 2050 MHz; fbb = 5 MHz, 6 MHz
45
dBm
OIP3
RF out = 2050 MHz; fbb = 5 MHz, 6 MHz
33
dBm
–38
dBc
Sideband
suppression
Unadjusted
Carrier
Unadjusted
–70
dBc
–22
dBm
–70
dBm
TX2 to TX1 (aggressor to victim)
68
dB
FB1 to TX1
95
dB
FB2 to TX1
95
dB
RX1 to TX1
90
dB
RX2 to TX1
90
dB
TX1 to TX2 (aggressor to victim)
78
dB
FB1 to TX2
85
dB
FB2 to TX2
95
dB
RX1 to TX2
90
dB
RX2 to TX2
90
dB
Adjusted Hand-tuned for given temp/frequency
Adjusted Hand-tuned for given temp/frequency
Crosstalk
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8.3
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TSW3725 Electrical Characteristics
Test conditions (unless otherwise noted): Power = 6 V, TX attn = 0 dB, DAC3484 IF=153.6 MHz,
DAC3484 QMC gain setting = 0.5, DAC clk = 614.4 MHz, Fractional LO
PARAMETER
TEST CONDITION
TYP
UNIT
RF out = 1700 MHz
–70
dBc
RF out = 2050 MHz
–70
dBc
RF out = 1700 MHz
–69
dBc
RF out = 2050 MHz
–69
dBc
RF out = 1700 MHz
–67
dBc
RF out = 2050 MHz
–67
dBc
RF out = 1700 MHz
0.85
%rms
RF out = 2050 MHz
0.85
%rms
RF out = 1700 MHz
0.85
%rms
RF out = 2050 MHz
0.85
%rms
RF out = 1700 MHz
0.85
%rms
RF out = 2050 MHz
0.85
%rms
TRANSMIT PARAMETERS
ACPR LTE Single Carrier TM1.1
ACPR: 5 MHz BW
ACPR: 10 MHz BW
ACPR: 20 MHz BW
EVM LTE Single Carrier TM
EVM: 5 MHz BW
EVM: 10 MHz BW
EVM: 20 MHz BW
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8.4
TSW3725 Electrical Characteristics
Test conditions (unless otherwise noted): Power = 6 V, RX PGA Gain = 20 dB, IF Frequency=140 MHz,
ADC clk = 204.8 MHz, Fractional LO = 1800 MHz
PARAMETER
TEST CONDITION
TYP
UNIT
Max freq Limited by LPF on LO path
2200
MHz
Min freq Limited by splitter on LO path
1350
MHz
Frequency
140
MHz
BW
RECEIVE PARAMETERS
RX LO
Default schematic
IF filter
IF programmable gain
20
MHz
Max
20
dB
Min
–11.5
dB
Step
size
0.5
dB
–153
dBFS/Hz
Idle channel noise
LO=1880 MHz
SNR
ADC amplitude = –1 dBFs, PGA = 20 dB
notch 6.25 MHz BW LO noise around carrier
65
dBc
HD2
ADC input amplitude = –1 dBFs, PGA = 10 dB
73
dBc
HD3
ADC input amplitude = –1 dBFs, PGA = 10 dB
65
dBc
Maximum RF input amplitude
ADC input amplitude = –1 dBFs, PGA = 20 dB
–9
dBm
ADC input amplitude = –1 dBFs, PGA = 10 dB
1
dBm
ADC input amplitude =–1 dBFs, PGA = 5 dB
6
dBm
P1dB
RX input
8
dBm
OIP3
PGA = 20 dB, RF1 = 1690 MHz, RF2 = 1700.7 MHz,
LO = 1840 MHz, Ain = –9 dB
40
dBm
RF in = 1700 MHz, RX input power = –30 dBm
0.7
%rms
RF in = 2050 MHz, RX input power = –30 dBm
0.8
%rms
RF in = 1700 MHz, RX input power = –30 dBm
0.8
%rms
RF in = 2050 MHz, RX input power = –30 dBm
0.8
%rms
RF in = 1700 MHz, RX input power = –30 dBm
0.8
%rms
RF in = 2050 MHz, RX input power = –30 dBm
0.9
%rms
EVM LTE Single Carrier LTE Uplink(SC-FDMA), 64QAM
EVM: 5 MHz BW
EVM: 10 MHz BW
EVM: 20 MHz BW
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8.5
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TSW3725 Electrical Characteristics
Test conditions (unless otherwise noted): Power = 6 V, RX PGA Gain = 20 dB, IF Frequency=153.6 MHz,
ADC clk = 204.8 MHz, Fractional LO = 1990 MHz
PARAMETER
TEST CONDITION
TYP
UNIT
Max freq Limited by LPF on LO path
2200
MHz
Min freq Limited by mixer input frequency range
1700
MHz
153.6
MHz
100
MHz
Max
20
dB
Min
-11.5
dB
FEEDBACK PARAMETERS
FB LO
Default schematic
FB Filter
Frequency
BW
FB programmable gain
step size
0.5
dB
Idle channel noise
LO = 2140 MHz
150
dBFS/H
z
SNR
ADC amplitude = –1 dBFs, PGA=20dB
notch 6.25 MHz BW LO noise around carrier
63
dBc
HD2
ADC input amplitude = –1 dBFs, PGA = 20 dB
73
dBc
HD3
ADC input amplitude = –1 dBFs, PGA = 20 dB
87
dBc
Maximum RF input amplitude
ADC input amplitude = –1 dBFs, PGA = 20 dB
-3
dBm
ADC input amplitude = –1 dBFs, PGA = 10 dB
7
dBm
ADC input amplitude = –1 dBFs, PGA = 5 dB
12
dBm
23.3
dBm
41
dBm
RF in = 1700 MHz; FB input power = –10 dBm
-67
dBc
RF in = 2050 MHz; FB input power = –10 dBm
-67
dBc
RF in = 1700 MHz; FB input power = –10 dBm
-65
dBc
RF in = 2050 MHz; FB input power = –10 dBm
-65
dBc
RF in = 1700 MHz; FB input power = –10 dBm
-62
dBc
RF in = 2050 MHz; FB input power = –10 dBm
-62
dBc
RF in = 1700 MHz; FB input power = –20 dBm
0.6
%rms
RF in = 2050 MHz; FB input power = –20 dBm
0.6
%rms
RF in = 1700 MHz; FB input power = –20 dBm
0.6
%rms
RF in = 2050 MHz; FB input power = –20 dBm
0.6
%rms
RF in = 1700 MHz; FB input power = –20 dBm
0.7
%rms
RF in = 2050 MHz; FB input power = –20 dBm
0.7
%rms
P1dB
RX input
OIP3
PGA = 20 dB, RF1 = 1847 MHz, RF2 = 1846 MHz,
LO = 2000 MHz, Ain = –6.5 dB
ACPR LTE Single Carrier TM1.1
ACPR: 5 MHz BW
ACPR: 10 MHz BW
ACPR: 20 MHz BW
EVM LTE Single Carrier TM3.1
EVM: 5 MHz BW
EVM: 10 MHz BW
EVM: 20 MHz BW
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Typical Performance Plots
2
2
RF OUT=953.6MHz
RF OUT=1703.6MHz
RF OUT=2053.6MHz
RF OUT=2403.6MHz
1.8
1.6
1.6
1.4
1.2
% rms
% rms
1.4
1
0.8
0.6
0
0.4
LTE Single Carrier 5M BW TM3.1
TX attenuator varied 0 to 31.75dB
−35
−30
−25
−20
−15
Output Power (dBm)
−10
0
−5
−10
−5
G000
RFOUT = 953.6 MHz
RFOUT = 1703.6 MHz
RFOUT = 2053.6 MHz
RFOUT = 2403.6 MHz
−62
ACLR (dBc)
−64
1.2
1
0.8
0.6
−66
−68
−70
−72
0.4
LTE Single Carrier 20 M BW TM3.1
TX attenuator varied 0 to 31.75 dB
−35
−30
−74
−25
−20
−15
Output Power (dBm)
−10
LTE Single Carrier 5 M BW TM1.1
TX attenuator varied 0 to 25 dB
−76
−5
−25
G000
Figure 52. Tx EVM vs Frequency/Attenuation LTE 20
MHz TM3.1
−20
−15
Output Power (dBm)
−10
−5
G000
Figure 53. Tx ACLR vs Frequency/Attenuation LTE 5
MHz TM1.1
−60
−60
RF OUT=953.6MHz
RF OUT=1703.6MHz
RF OUT=2053.6MHz
RF OUT=2403.6MHz
−62
RFOUT = 953.6 MHz
RFOUT = 1703.6 MHz
RFOUT = 2053.6 MHz
RFOUT = 2403.6 MHz
−62
−64
ACLR (dBc)
−64
−66
−68
−70
−72
−76
−25
−20
−15
Output Power (dBm)
−60
1.4
−74
−30
Figure 51. Tx EVM vs Frequency/Attenuation LTE 10
MHz TM3.1
RFOUT = 953.6 MHz
RFOUT = 1703.6 MHz
RFOUT = 2053.6 MHz
RFOUT = 2403.6 MHz
1.6
0
−35
G000
2
1.8
0.2
LTE Single Carrier 10 M BW TM3.1
TX attenuator varied 0 to 31.75 dB
0.2
Figure 50. Tx EVM vs Frequency/Attenuation LTE 5
MHz TM3.1
% rms
1
0.6
0.4
ACLR (dBc)
1.2
0.8
0.2
RFOUT = 953.6 MHz
RFOUT = 1703.6 MHz
RFOUT = 2053.6 MHz
RFOUT = 2403.6 MHz
1.8
−66
−68
−70
−72
LTE Single Carrier 10M BW TM1.1
TX attenuator varied 0 to 25dB
−25
−20
−15
Output Power (dBm)
−74
−10
−76
−30
−5
G000
Figure 54. Tx ACLR vs Frequency/Attenuation LTE 10
MHz TM1.1
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LTE Single Carrier 20 M BW TM1.1
TX attenuator varied 0 to 25 dB
−25
−20
−15
Output Power (dBm)
−10
−5
G000
Figure 55. Tx ACLR vs Frequency/Attenuation LTE 20
MHz TM1.1
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−40
−40
RF = 1550 MHz
RF = 1700 MHz
RF = 1900 MHz
RF = 2100 MHz
RF = 2250 MHz
−80
−60
Phase Noise (dBc/Hz)
Phase Noise (dBc/Hz)
−60
−100
−120
−140
−160
10k
100k
1M
Frequency (Hz)
10M
−100
−120
−160
40M
OIP3 (dB)
400
300
10M
40M
G000
30
25
1 KHz to 10 MHz
1600
1700
1800
1900
2000
Frequency (MHz)
2100
20
2200
IF1=158.6 MHz
IF2=159.6 MHz
RF = IF+LO
Tx Attn = 0 dB
1600
G000
Figure 58. Tx Output Noise vs Frequency
1700
1800
1900
2000
LO Frequency (MHz)
2100
G000
Figure 59. Tx OIP3 vs LO Frequency
5
5
RF = 800 M
RF = 1700 M
RF = 1900 M
RF = 2250 M
4
RF = 800 M
RF = 1700 M
RF = 1900 M
RF = 2250 M
4
3
EVM (%)
EVM (%)
100k
1M
Frequency (Hz)
35
200
2
1
3
2
1
PGA870 Gain = 20 dB
5 MHz LTE Uplink, 64QAM
−60
−50
PGA870 Gain = 20 dB
10 MHz LTE Uplink, 64QAM
−40
Amplitude (dBm)
−30
0
−20
−60
G000
Figure 60. Rx EVM vs Frequency/RF Input Amplitude
LTE 5-MHz Uplink, 64 QAM
48
10k
40
Tx Attn = 0
Tx Attn = 15
Tx Attn = 31.75
500
0
1k
Figure 57. Tx Output Phase Noise vs Frequency
Maximum Attenuation
600
100
Tx Attn = 31.75 dB
IF = 158.6, LO = RF−IF
G000
Figure 56. Tx Output Phase Noise vs Frequency
Minimum Attenuation
RMS Noise (mdeg)
−80
−140
Tx Attn=0 dB
IF = 158.6, LO = RF−IF
1k
RF = 1550 MHz
RF = 1700 MHz
RF = 1900 MHz
RF = 2100 MHz
RF = 2250 MHz
−50
−40
Amplitude (dBm)
−30
−20
G000
Figure 61. Rx EVM vs Frequency/RF Input Amplitude
LTE 10-MHz Uplink, 64 QAM
TSW3725EVM Evaluation Module
Copyright © 2011, Texas Instruments Incorporated
SLWU074 – October 2011
Submit Documentation Feedback
Typical Performance Plots
www.ti.com
5
0
RF=800MHz
RF=1700MHz
RF=1900MHz
RF=2250MHz
−20
Amplitude (dBFS)
EVM (%)
4
−10
3
2
1
−40
−50
−60
−70
−80
PGA870 Gain = 20dB
20MHz LTE Uplink, 64QAM
0
−30
−60
−50
−90
−40
−30
Amplitude (dBm)
−100
−20
Rx 140 MHz IF SAW Filter
80
Figure 62. Rx EVM vs Frequency/RF Input Amplitude
LTE 20-MHz Uplink, 64 QAM
−151
4
−152
3
EVM (%)
Noise (dBFS/Hz)
180
200
G000
5
−153
LO = 1880 MHz
Measured with respect to
Fullscale ADC range
−154
−10
−5
0
5
10
PGA870 Gain (dB)
15
−50
G000
−40
−30
Amplitude (dBm)
−20
−10
G000
Figure 65. FB EVM vs Input Amplitude/Frequency LTE
5 MHz TM3.1
5
RF=953.6MHz
RF=1703.6MHz
RF=2053.6MHz
RF=2403.6MHz
4
EVM (%)
2
LTE Single Carrier
10MHz BW TM3.1
PGA870 Gain=20dB
−50
3
2
1
−40
−30
Amplitude (dBm)
−20
RF=953.6MHz
RF=1703.6MHz
RF=2053.6MHz
RF=2403.6MHz
4
3
0
−60
LTE Single Carrier
5MHz BW TM3.1
PGA870 Gain=20dB
0
−60
20
5
1
RF=953.6MHz
RF=1703.6MHz
RF=2053.6MHz
RF=2403.6MHz
2
1
Figure 64. Rx Idle Channel Noise vs PGA870 Gain
Setting
EVM (%)
120
140
160
Frequency (MHz)
Figure 63. Rx IF Filter Response
−150
−155
100
G000
−10
LTE Single Carrier
20MHz BW TM3.1
PGA870 Gain=20dB
0
−60
G000
−50
−40
−30
Amplitude (dBm)
−20
−10
G000
Figure 66. FB EVM vs Input Amplitude/Frequency LTE Figure 67. FB EVM vs Input Amplitude/Frequency LTE
10 MHz TM3.1
20 MHz TM3.1
SLWU074 – October 2011
Submit Documentation Feedback
TSW3725EVM Evaluation Module
Copyright © 2011, Texas Instruments Incorporated
49
Typical Performance Plots
www.ti.com
−30
−30
RF=953.6MHz
RF=1703.6MHz
RF=2053.6MHz
RF=2403.6MHz
−35
−40
ACLR (dBc)
ACLR (dBc)
−40
−45
−50
−55
−60
−65
−70
−40
−20
RF input Level (dB)
−10
−30
−20
RF input Level (dB)
−10
0
G000
Figure 69. FB ACLR vs Input Amplitude/Frequency
LTE 10 MHz TM1.1
0
−10
−20
Amplitude (dBFS)
−40
ACLR (dBc)
LTE Single Carrier
10 MHz BW TM1.1
PGA870 Gain = 20 dB
G000
RF=953.6MHz
RF=1703.6MHz
RF=2053.6MHz
RF=2403.6MHz
−35
−45
−50
−55
−70
−40
−55
−70
−40
0
−30
−65
−50
−65
Figure 68. FB ACLR vs Input Amplitude/Frequency
LTE 5 MHz TM1.1
−60
−45
−60
LTE Single Carrier
5MHz BW TM1.1
PGA870 Gain=20dB
−30
RF = 953.6 MHz
RF = 1703.6 MHz
RF = 2053.6 MHz
RF = 2403.6 MHz
−35
LTE Single Carrier
20MHz BW TM1.1
PGA870 Gain=20dB
−30
−30
−40
−50
−60
−70
−80
−90
−20
RF input Level (dB)
−10
0
FB 153.6MHz IF Filter
−100
50
100
G000
Figure 70. FB ACLR vs Input Amplitude/Frequency
LTE 20 MHz TM1.1
150
200
Frequency (MHz)
250
300
G000
Figure 71. FB IF Filter Response
−147
Noise (dBFS/Hz)
−148
−149
−150
−151
−152
LO=2140MHz
Measured with respect to
Fullscale ADC range
−10
−5
0
5
10
PGA870 Gain (dB)
15
20
G000
Figure 72. FB Idle Channel Noise
50
TSW3725EVM Evaluation Module
Copyright © 2011, Texas Instruments Incorporated
SLWU074 – October 2011
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Programming Information
www.ti.com
10
Programming Information
In Stand-Alone mode the TSW3725 GUI handles all the serial interface programming. However, as a
debug or development aid, the following information is provided.
The following table lists the device ids required to access the serial interface of given device.
Device
ID [xxxx]
Device P/N
Schematic
Designator
Description
1
2
DAC3484
U1
TX quad DAC
ADS4149
U17
FB ADC
3
ADS4249
U13
Dual RX ADC
4
TRF3720-1
U27
TX and FB LO
5
TRF3720-2
U31
RX LO
6
PGA870 - RX1
U40
RX path 1
7
PGA870 - RX2
U43
RX path 2
8
PGA870 - FB
U50
FB feedback
9
PE43701 - TX_1
U9
TX path 1
10
PE43701 - TX_2
U12
TX path 2
11
CDCE72010
U23
clock
14
MISC
FB SWITCH and PGA
PWDN BITS
Comment
D0:
D1:
D2:
D3:
D4:
D5:
HIGH
FB SWITCH: CTRL1_PE4257
FB SWITCH: CTRL2_PE4257
RX1 PGA870 PWDN BIT
RX2 PGA870 PWDN BIT
FB PGA870 PWDN BIT
The following table lists the bit sequence that the TSW3725 expects to receive from the SCBP board
SLWU074 – October 2011
Submit Documentation Feedback
TSW3725EVM Evaluation Module
Copyright © 2011, Texas Instruments Incorporated
51
Evaluation Board/Kit Important Notice
Texas Instruments (TI) provides the enclosed product(s) under the following conditions:
This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION
PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the
product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are
not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations,
including product safety and environmental measures typically found in end products that incorporate such semiconductor
components or circuit boards. This evaluation board/kit does not fall within the scope of the European Union directives regarding
electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the
technical requirements of these directives or other related directives.
Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30
days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY
SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING
ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all
claims arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to
take any and all appropriate precautions with regard to electrostatic discharge.
EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER
FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not exclusive.
TI assumes no liability for applications assistance, customer product design, software performance, or infringement of
patents or services described herein.
Please read the User’s Guide and, specifically, the Warnings and Restrictions notice in the User’s Guide prior to handling the
product. This notice contains important safety information about temperatures and voltages. For additional information on TI’s
environmental and/or safety programs, please contact the TI application engineer or visit www.ti.com/esh.
No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or
combination in which such TI products or services might be or are used.
FCC Warning
This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION
PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. It generates, uses, and
can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15
of FCC rules, which are designed to provide reasonable protection against radio frequency interference. Operation of this
equipment in other environments may cause interference with radio communications, in which case the user at his own expense
will be required to take whatever measures may be required to correct this interference.
EVM Warnings and Restrictions
It is important to operate this EVM within the input voltage range of 5.5 V to 6.25 V and the output voltage range of 0 V to 5 V .
Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are
questions concerning the input range, please contact a TI field representative prior to connecting the input power.
Applying loads outside of the specified output range may result in unintended operation and/or possible permanent damage to the
EVM. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the load
specification, please contact a TI field representative.
During normal operation, some circuit components may have case temperatures greater than 60° C. The EVM is designed to
operate properly with certain components above 60° C as long as the input and output ranges are maintained. These components
include but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors. These types of
devices can be identified using the EVM schematic located in the EVM User's Guide. When placing measurement probes near
these devices during operation, please be aware that these devices may be very warm to the touch.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2011, Texas Instruments Incorporated
EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS
Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions:
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims
arising from the handling or use of the goods.
Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days from
the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO
BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH
ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES.
Please read the User's Guide and, specifically, the Warnings and Restrictions notice in the User's Guide prior to handling the product. This
notice contains important safety information about temperatures and voltages. For additional information on TI's environmental and/or safety
programs, please visit www.ti.com/esh or contact TI.
No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or
combination in which such TI products or services might be or are used. TI currently deals with a variety of customers for products, and
therefore our arrangement with the user is not exclusive. TI assumes no liability for applications assistance, customer product design,
software performance, or infringement of patents or services described herein.
REGULATORY COMPLIANCE INFORMATION
As noted in the EVM User’s Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be subject to the Federal
Communications Commission (FCC) and Industry Canada (IC) rules.
For EVMs not subject to the above rules, this evaluation board/kit/module is intended for use for ENGINEERING DEVELOPMENT,
DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer
use. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing
devices pursuant to part 15 of FCC or ICES-003 rules, which are designed to provide reasonable protection against radio frequency
interference. Operation of the equipment may cause interference with radio communications, in which case the user at his own expense will
be required to take whatever measures may be required to correct this interference.
General Statement for EVMs including a radio
User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally allocated frequency and
power limits. Any use of radio frequencies and/or power availability of this EVM and its development application(s) must comply with local
laws governing radio spectrum allocation and power limits for this evaluation module. It is the user’s sole responsibility to only operate this
radio in legally acceptable frequency space and within legally mandated power limitations. Any exceptions to this are strictly prohibited and
unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory
authorities, which is responsibility of user including its acceptable authorization.
For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant
Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the
equipment.
FCC Interference Statement for Class A EVM devices
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the interference at his own expense.
FCC Interference Statement for Class B EVM devices
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
For EVMs annotated as IC – INDUSTRY CANADA Compliant
This Class A or B digital apparatus complies with Canadian ICES-003.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
Concerning EVMs including radio transmitters
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this
device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired
operation of the device.
Concerning EVMs including detachable antennas
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain
approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum
permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain
greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada.
Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de
l'utilisateur pour actionner l'équipement.
Concernant les EVMs avec appareils radio
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est
autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout
brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain
maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à
l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel
d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans
cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
【Important Notice for Users of this Product in Japan】
】
This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan
If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product:
1.
2.
3.
Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,
Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this
product, or
Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with
respect to this product. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note
that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan.
Texas Instruments Japan Limited
(address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan
http://www.tij.co.jp
【ご使用にあたっての注】
本開発キットは技術基準適合証明を受けておりません。
本製品のご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。
1.
2.
3.
電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。
実験局の免許を取得後ご使用いただく。
技術基準適合証明を取得後ご使用いただく。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。
日本テキサス・インスツルメンツ株式会社
東京都新宿区西新宿６丁目２４番１号
西新宿三井ビル
http://www.tij.co.jp
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
EVALUATION BOARD/KIT/MODULE (EVM)
WARNINGS, RESTRICTIONS AND DISCLAIMERS
For Feasibility Evaluation Only, in Laboratory/Development Environments. Unless otherwise indicated, this EVM is not a finished
electrical equipment and not intended for consumer use. It is intended solely for use for preliminary feasibility evaluation in
laboratory/development environments by technically qualified electronics experts who are familiar with the dangers and application risks
associated with handling electrical mechanical components, systems and subsystems. It should not be used as all or part of a finished end
product.
Your Sole Responsibility and Risk. You acknowledge, represent and agree that:
1.
2.
3.
4.
You have unique knowledge concerning Federal, State and local regulatory requirements (including but not limited to Food and Drug
Administration regulations, if applicable) which relate to your products and which relate to your use (and/or that of your employees,
affiliates, contractors or designees) of the EVM for evaluation, testing and other purposes.
You have full and exclusive responsibility to assure the safety and compliance of your products with all such laws and other applicable
regulatory requirements, and also to assure the safety of any activities to be conducted by you and/or your employees, affiliates,
contractors or designees, using the EVM. Further, you are responsible to assure that any interfaces (electronic and/or mechanical)
between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to
minimize the risk of electrical shock hazard.
You will employ reasonable safeguards to ensure that your use of the EVM will not result in any property damage, injury or death, even
if the EVM should fail to perform as described or expected.
You will take care of proper disposal and recycling of the EVM’s electronic components and packing materials.
Certain Instructions. It is important to operate this EVM within TI’s recommended specifications and environmental considerations per the
user guidelines. Exceeding the specified EVM ratings (including but not limited to input and output voltage, current, power, and
environmental ranges) may cause property damage, personal injury or death. If there are questions concerning these ratings please contact
a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the
specified output range may result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or
interface electronics. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the
load specification, please contact a TI field representative. During normal operation, some circuit components may have case temperatures
greater than 60°C as long as the input and output are maintained at a normal ambient operating temperature. These components include
but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors which can be identified using the
EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during normal operation, please
be aware that these devices may be very warm to the touch. As with all electronic evaluation tools, only qualified personnel knowledgeable
in electronic measurement and diagnostics normally found in development environments should use these EVMs.
Agreement to Defend, Indemnify and Hold Harmless. You agree to defend, indemnify and hold TI, its licensors and their representatives
harmless from and against any and all claims, damages, losses, expenses, costs and liabilities (collectively, "Claims") arising out of or in
connection with any use of the EVM that is not in accordance with the terms of the agreement. This obligation shall apply whether Claims
arise under law of tort or contract or any other legal theory, and even if the EVM fails to perform as described or expected.
Safety-Critical or Life-Critical Applications. If you intend to evaluate the components for possible use in safety critical applications (such
as life support) where a failure of the TI product would reasonably be expected to cause severe personal injury or death, such as devices
which are classified as FDA Class III or similar classification, then you must specifically notify TI of such intent and enter into a separate
Assurance and Indemnity Agreement.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2012, Texas Instruments Incorporated
IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other
changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest
issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All semiconductor products (also referred to herein as “components”) are sold subject to TI’s terms and conditions of sale
supplied at the time of order acknowledgment.
TI warrants performance of its components to the specifications applicable at the time of sale, in accordance with the warranty in TI’s terms
and conditions of sale of semiconductor products. Testing and other quality control techniques are used to the extent TI deems necessary
to support this warranty. Except where mandated by applicable law, testing of all parameters of each component is not necessarily
performed.
TI assumes no liability for applications assistance or the design of Buyers’ products. Buyers are responsible for their products and
applications using TI components. To minimize the risks associated with Buyers’ products and applications, Buyers should provide
adequate design and operating safeguards.
TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or
other intellectual property right relating to any combination, machine, or process in which TI components or services are used. Information
published by TI regarding third-party products or services does not constitute a license to use such products or services or a warranty or
endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual property of the
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Reproduction of significant portions of TI information in TI data books or data sheets is permissible only if reproduction is without alteration
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Resale of TI components or services with statements different from or beyond the parameters stated by TI for that component or service
voids all express and any implied warranties for the associated TI component or service and is an unfair and deceptive business practice.
TI is not responsible or liable for any such statements.
Buyer acknowledges and agrees that it is solely responsible for compliance with all legal, regulatory and safety-related requirements
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remedial actions. Buyer will fully indemnify TI and its representatives against any damages arising out of the use of any TI components in
Buyer’s safety-critical applications.
In some cases, TI components may be promoted specifically to facilitate safety-related applications. With such components, TI’s goal is to
help enable customers to design and create their own end-product solutions that meet applicable functional safety standards and
requirements. Nonetheless, such components are subject to these terms.
No TI components are authorized for use in FDA Class III (or similar life-critical medical equipment) unless authorized officers of the parties
have executed an agreement specifically governing such use.
Only those TI components that TI has specifically designated as military grade or “enhanced plastic” are designed and intended for use in
military/aerospace applications or environments. Buyer acknowledges and agrees that any military or aerospace use of TI components that
have not been so designated is solely at Buyer's risk, and Buyer is solely responsible for compliance with all legal and regulatory
requirements in connection with such use.
TI has specifically designated certain components as meeting ISO/TS16949 requirements, mainly for automotive use. In any case of use of
non-designated products, TI will not be responsible for any failure to meet ISO/TS16949.
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