AFE5808AEVM

User's Guide SLOU328B – November 2011 – Revised March 2015 AFE5808_08AEVM (Rev E) Evaluation Module This document assists users in evaluating the AFE5808/08A highly integrated analog front-end devices through the use of the AFE5808/08AEVM Evaluation Module. Included are setup instructions, printedcircuit board art, bill of materials, and schematics. Contents Overview ...................................................................................................................... 2 Default Configuration ........................................................................................................ 3 Software Installation and Operation ....................................................................................... 4 Test Setup .................................................................................................................... 4 Power Up AFE5808/08A .................................................................................................... 5 Launch AFE5808/08A GUI ................................................................................................. 6 Launch TSW1400 GUI ...................................................................................................... 8 Test AFE5808/08A .......................................................................................................... 9 8.1 Step 1: Time Domain ............................................................................................... 9 8.2 Step 2: Single Tone FFT ......................................................................................... 11 9 Hardware Setup, CW Mode ............................................................................................... 13 9.1 Step 1: Switch to CW Mode. ..................................................................................... 14 9.2 Step 2: Apply input and observe outputs. ...................................................................... 15 9.3 External Clock for CW Mode..................................................................................... 16 10 External ADC Sampling Clock ............................................................................................ 17 11 External Vcntl ............................................................................................................... 20 12 Board Configuration ........................................................................................................ 21 12.1 Input/Output, Power Supply, and USB ......................................................................... 21 12.2 CW Mode, ADC Clock ............................................................................................ 22 12.3 Vcntl Control Input ................................................................................................ 23 12.4 LEDs ................................................................................................................ 24 12.5 Miscellaneous Test Points ....................................................................................... 25 13 EVM Printed-Circuit Board Layouts and Schematics .................................................................. 26 13.1 Schematics ......................................................................................................... 32 14 Bill of Materials ............................................................................................................. 41 Appendix A High Speed Data Converter Pro GUI Installation (HSDCPro) ............................................... 45 1 2 3 4 5 6 7 8 List of Figures .................................................................................. 3 ........................................... 4 User Interface: Single FFT Format ....................................................................................... 12 Setup for CW Mode ........................................................................................................ 13 Switching From Default (ADC) Mode Panel to CW Mode Panel..................................................... 14 CW Outputs ................................................................................................................. 15 Relevant Capacitors for CW Mode, Top Side .......................................................................... 16 Relevant Capacitors for CW Mode, Bottom Side ...................................................................... 17 External ADC Sampling Clock Configuration ........................................................................... 18 External Vcntl Configuration .............................................................................................. 20 I/O, PWR, and USB Connector ........................................................................................... 21 AFE5808/08AEVM Jumper Locations ................................................................................... 22 1 AFE5808/08AEVM Basic Configuration 2 HW Setup With Connection Between TSW1400EVM and AFE5808/08A 3 4 5 6 7 8 9 10 11 12 SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback AFE5808_08AEVM (Rev E) Evaluation Module Copyright © 2011–2015, Texas Instruments Incorporated 1 Overview www.ti.com 13 Vcntl .......................................................................................................................... 23 14 AFE5808/08AEVM LED Location ........................................................................................ 24 15 AFE5808/08AEVM Test Point Locations ................................................................................ 25 16 Top Layer - Signal.......................................................................................................... 26 17 Second Layer - Ground.................................................................................................... 27 18 Third Layer - Power ........................................................................................................ 28 19 ...................................................................................................... ....................................................................................................... Bottom Layer - Signal ...................................................................................................... Schematic 1 of 9 ........................................................................................................... Schematic 2 of 9 ........................................................................................................... Schematic 3 of 9 ........................................................................................................... Schematic 4 of 9 ........................................................................................................... Schematic 5 of 9 ........................................................................................................... Schematic 6 of 9 ........................................................................................................... Schematic 7 of 9 ........................................................................................................... Schematic 8 of 9 ........................................................................................................... Schematic 9 of 9 ........................................................................................................... HSDCPro Install (Begin)................................................................................................... HSDCPro Install (Install Directory) ....................................................................................... HSDCPro Install (TI License Agreement) ............................................................................... HSDCPro Install (NI License Agreement) ............................................................................... HSDCPro Install (Start Installation) ...................................................................................... HSDCPro Install (Installation Progress) ................................................................................. HSDCPro Install (Installation Complete) ................................................................................ HSDCPro Install (h) ........................................................................................................ HSDCPro Install ............................................................................................................ 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Fourth Layer - Signal Fifth Layer - Ground 29 30 31 32 33 34 35 36 37 38 39 40 45 46 47 48 49 50 51 52 52 List of Tables 1 1 Configuration for Clock Capacitors....................................................................................... 16 2 Input/Output, Power, and USB ........................................................................................... 21 .................................................................................................... 3 CW Mode, ADC Clock 4 CW Mode and Vcntl ........................................................................................................ 23 5 LED Indicators .............................................................................................................. 24 6 Test Points .................................................................................................................. 25 7 Bill of Materials ............................................................................................................. 22 41 Overview This document is intended to guide users step-by-step through the AFE5808/08AEVM Evaluation Module (EVM) setup and test . The EVM is shipped with a default configuration from the manufacturer. With this configuration, the onboard CMOS clock is used for a analog-to-digital converter sampling clock; the onboard oscillator is used for CW mode operation. No external clock generator is required. Users need to provide the input signal for measurement from a signal generator. Detail explanation regarding the jumpers, connectors, and test points appear in Section 12. The graphical user interface (GUI) can be downloaded from the TI Web site. 2 AFE5808_08AEVM (Rev E) Evaluation Module SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Default Configuration www.ti.com 2 Default Configuration Figure 1 shows the default configuration of the EVM from the factory. The accompanying list identifies the basic components on the EVM board. Figure 1. AFE5808/08AEVM Basic Configuration 1. 2. 3. 4. 5. 6. P1 – Power supplies connector. JP1, JP2, and JP3 are set to enable 3.3-V, 1.8-V, and 5-V power supplies to device. JP9: enables onboard CMOS clock. JP10: Power supply for onboard CMOS clock oscillator. JP15: Enables onboard VCNT. JP31 always set as Figure 1. SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback AFE5808_08AEVM (Rev E) Evaluation Module Copyright © 2011–2015, Texas Instruments Incorporated 3 Software Installation and Operation 3 www.ti.com Software Installation and Operation The AFE5808/08AEVM GUI (SLOC230) can be downloaded from the TI Web site. Follow the directions in the Read Me First.pdf file to install the GUI and device driver 4 Test Setup Two EVMs are required to evaluate the AFE5808/08A device. The following illustration shows the exact setup of these two boards and external connectors. For the default configuration as shown in Figure 1, it is unnecessary to have an external sampling clock and external Vcntl supply. The onboard CMOS clock and onboard Vcntl are used. Figure 2. HW Setup With Connection Between TSW1400EVM and AFE5808/08A 4 AFE5808_08AEVM (Rev E) Evaluation Module SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Power Up AFE5808/08A www.ti.com 5 Power Up AFE5808/08A Power up the AFE5808/08AEVM by applying +5 V and –5 V to the P1 connector. After power up is complete, four green LEDS and two red LEDS are turned on as shown in the following illustration. LED 1.8V SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback AFE5808_08AEVM (Rev E) Evaluation Module Copyright © 2011–2015, Texas Instruments Incorporated 5 Launch AFE5808/08A GUI 6 www.ti.com Launch AFE5808/08A GUI Launch the AFE5808/08A graphic user interface (GUI), which appears in the following illustration. After the GUI has completely launched, LED41 and LED42 go off and the rest of the LEDS remain on. The GUI automatically configures the default setup. Select the ADC page to observe the default condition. The following illustration shows the Default Condition on the ADC page. 6 AFE5808_08AEVM (Rev E) Evaluation Module SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Launch AFE5808/08A GUI www.ti.com SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback AFE5808_08AEVM (Rev E) Evaluation Module Copyright © 2011–2015, Texas Instruments Incorporated 7 Launch TSW1400 GUI 7 www.ti.com Launch TSW1400 GUI Launch the TSW1400 GUI. The Message window displays the following message to indicate that the setup of the TSW1400EVM and AFE5808/08AEVM is working properly. If a different message or an error message appears, contact TI FAE. Also see Appendix Afor how to download the software. Select AFE5808/08A, 14 bits, MSB first from the GUI. ADC Sampling Rate is fixed at 40 MHz; this is the onboard CMOS clock frequency. ADC Input Frequency – enter 2M, and the GUI calculates the real coherent frequency to 2.00439453M. 8 AFE5808_08AEVM (Rev E) Evaluation Module SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Test AFE5808/08A www.ti.com 8 Test AFE5808/08A 8.1 Step 1: Time Domain • Select the Time Domain page from the TSW1400 GUI. • From the AFE5808/08A GUI, go to the ADC page, and then select Ramp. SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback AFE5808_08AEVM (Rev E) Evaluation Module Copyright © 2011–2015, Texas Instruments Incorporated 9 Test AFE5808/08A • • • • 10 www.ti.com Press the Capture button on the TSW1400 GUI. You will observe a ramping waveform on the TSW1400 GUI display area as shown in the following illustration. Repeat for Channel 2 and Channel 8. If each channel has the output as shown in the following illustration, proceed with the next step; otherwise, contact the TI FAE to troubleshoot the problem. On the AFE5808/08A GUI, change Test Pattern from Ramp to None for the next step. AFE5808_08AEVM (Rev E) Evaluation Module SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Test AFE5808/08A www.ti.com 8.2 Step 2: Single Tone FFT • • • • • • • Select the Single Tone FFT page at the TSW1400 GUI. Connect Channel 1 of the AFE5808/08AEVM to a signal generator through an LP filter. If an LP filter is not present, the result will not be good. Set the amplitude of the signal generator to -25dBm. Set the frequency of the signal generator to 2.00439453M to match the GUI. Change the window option to Hanning. This is because the input signal and the onboard CMOS clock are noncoherent. Press the Capture button to get the test result. Repeat for Channel 2 through Channel 8. SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback AFE5808_08AEVM (Rev E) Evaluation Module Copyright © 2011–2015, Texas Instruments Incorporated 11 Test AFE5808/08A www.ti.com Figure 3. User Interface: Single FFT Format 12 AFE5808_08AEVM (Rev E) Evaluation Module SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Hardware Setup, CW Mode www.ti.com 9 Hardware Setup, CW Mode Figure 4. Setup for CW Mode SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback AFE5808_08AEVM (Rev E) Evaluation Module Copyright © 2011–2015, Texas Instruments Incorporated 13 Hardware Setup, CW Mode 9.1 www.ti.com Step 1: Switch to CW Mode. • • • Go to the CW Mode page. Check CW Mode Enable. The LED41, LED42, and LED43 on AFE5808/08AEVM all illuminate. Select 500ohms for the gain control feedback resistor. Figure 5. Switching From Default (ADC) Mode Panel to CW Mode Panel 14 AFE5808_08AEVM (Rev E) Evaluation Module SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Hardware Setup, CW Mode www.ti.com 9.2 Step 2: Apply input and observe outputs. • • Apply an analog signal (2.51 M, –10 dBm) to any analog input SMA. The CW outputs (J12, J13) display the frequency I and Q signals at 10 kHz as shown in Figure 6. The GUI Gain Control Feedback Resistor can be used to vary the amplitude of the outputs. Figure 6. CW Outputs SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback AFE5808_08AEVM (Rev E) Evaluation Module Copyright © 2011–2015, Texas Instruments Incorporated 15 Hardware Setup, CW Mode 9.3 www.ti.com External Clock for CW Mode The CW mode clocks can be supplied from J9 (X16/X8/X4/X1) and J10 (X1) using external signal generators. The manufacture default setup uses ON BOARD CLOCK, with which C154, C155, C156, and C157 are installed. To switch to an external clock, these four capacitors must be uninstalled and capacitors C49,C50,C52, and C53 must be installed. Table 1 shows the configuration for these eight capacitors. Table 1. Configuration for Clock Capacitors Capacitor Onboard Clock External Clock Comments C49 Uninstalled Installed Top layer of the EVM C50 Uninstalled Installed Bottom layer of the EVM C52 Uninstalled Installed Bottom layer of the EVM C53 Uninstalled Installed Top layer of the EVM C154 Installed Uninstalled Top layer of the EVM C155 Installed Uninstalled Top layer of the EVM C156 Installed Uninstalled Top layer of the EVM C157 Installed Uninstalled Top layer of the EVM C49 C154 C155 C156 C157 C53 Figure 7. Relevant Capacitors for CW Mode, Top Side 16 AFE5808_08AEVM (Rev E) Evaluation Module SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated External ADC Sampling Clock www.ti.com C50 C52 Figure 8. Relevant Capacitors for CW Mode, Bottom Side 10 External ADC Sampling Clock To 1. 2. 3. use the external clock generator to test the AFE5808/08A, perform the following steps. Reconfigure JP9 as shown in the following illustration. The rest of the jumpers remain the same. Connect the external generator as shown in Figure 9. Set the generator output to 40 MHz, 13 dBm. SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback AFE5808_08AEVM (Rev E) Evaluation Module Copyright © 2011–2015, Texas Instruments Incorporated 17 External ADC Sampling Clock www.ti.com Figure 9. External ADC Sampling Clock Configuration 4. If the generators for the ADC clock and input signal are synchronous, then choose Rectangular as the Windowing option; otherwise, use Hanning or Hamming. 18 AFE5808_08AEVM (Rev E) Evaluation Module SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated External ADC Sampling Clock www.ti.com 5. The test procedure is the same for the CMOS ADC clock. SLOU328B – November 2011 – Revised March 2015 Submit Documentation Feedback AFE5808_08AEVM (Rev E) Evaluation Module Copyright © 2011–2015, Texas Instruments Incorporated 19 External Vcntl 11 www.ti.com External Vcntl • • JP15 needs to be reconfigured to short the leftmost two pins. A power supply is required to be connected as shown in Figure 10. Figure 10. Extern