MAX2769CEVKIT#

MAX2769/MAX2769B/MAX2769C Evaluation Kit General Description The MAX2769/MAX2769B/MAX2769C evaluation kit (EV kit) simplifies evaluation of the MAX2769/MAX2769B/ MAX2769C universal GPS receiver. It enables testing of the device performance and requires no additional support circuitry. Standard 50Ω SMA connectors are included on the EV kit for the inputs and outputs to allow for quick and easy evaluation on the test bench. The evaluation kit is fully assembled and tested at the factory. This document provides a component list, a list of equipment required to evaluate the device, a straightforward test procedure to verify functionality, a description of the EV kit circuit, the circuit schematic, and artwork for each layer of the printed circuit board (PCB). Component List DESIGNATION QTY DESCRIPTION C1–C4, C7, C16–C19, C21, C22, C23, C41–C45, C48, C49, C50, C53, C54, C55 23 C5, C8–C12, C14, C31, C40, C56, C67 11 100pF ±5% capacitors (0402) Murata GRM1555C1H101J C6, C61, C62 3 10µF ±10% tantalum capacitors (B case) AVX TAJB106K016 0.1µF ±10% capacitors (0402) Murata GRM155R61A104K C15, C25, C27, C29, C30, C57, C58, C65 8 0.01µF ±10% capacitors (0402) Murata GRM155R71C103K C24 1 27pF ±5% capacitor (0402) Murata GRM1555C1H270J C26, C36 2 6800pF ±10% capacitors (0402) Murata GRM155R71H682K C28 1 470pF ±10% capacitor (0402) Murata GRM155R71H471K C32–C35, C37, C38, C39, C58, C66, C68, C69 C46, C47, C51, C52 C59, C60, C63, C64, C70 19-0983; Rev 3; 8/16 0 Not installed, capacitors Evaluates: MAX2769/MAX2769B/ MAX2769C Features ● Easy Evaluation of the MAX2769/MAX2769B/ MAX2769C IC ● +2.7V to +3.3V Single-Supply Operation ● 50Ω SMA Connector on the RF Ports and for the Baseband Outputs ● All Critical Peripheral Components Included ● Parallel Port for 3-Wire Interfacing ● PC Control Software Available Upon Request Ordering Information PART TYPE MAX2769EVKIT+ EV Kit MAX2769BEVKIT# EV Kit MAX2769CEVKIT# EV Kit +Denotes lead-free and RoHS compliant. #Denotes RoHS compliant. DESIGNATION QTY DESCRIPTION J1, J2, J3, J6, J7, J8, J10, J11, J12 9 SMA end-launch jack receptacles, 0.062in Johnson 142-0701-801 J9 1 2 x 5 dual inline header, 100-mil center Sullins PEC36DAAN JDR1 1 DB25 right-angle male connector AMP 5747238-4 L2, L3 0 Not installed, inductors R1, R26–R29, R35–R43, R56 0 Not installed, resistors R2, R10, R17, R21, R22, R23, R31– R34, R44–R55, R57, R59, R60, R66, R67, R68, R71 29 0Ω ±5% resistors (0402) R4, R24, R25 3 20kΩ ±5% resistors (0402) R5–R9, R30, R61–R65, R69, R70 13 10kΩ ±1% resistors (0402) R11, R14, R15 3 47.5Ω ±1% resistors (0402) R12, R13, R18, R19 4 75Ω ±1% resistors (0402) R16 1 22.1Ω ±1% resistor (0402) R20 1 100kΩ ±1% resistor (0402) 0 Not installed 8 PC mini-red test points Keystone 5000 4 10pF ±5% capacitors (0402) Murata GRM1555C1H10R0J T1, T2, T3 5 1.0µF ±10% capacitors (0402) Murata GRM155R60J105K TP1–TP5, TP10, TP11, TP15 MAX2769/MAX2769B/MAX2769C Evaluation Kit Evaluates: MAX2769/MAX2769B/ MAX2769C Component List (continued) DESIGNATION QTY DESCRIPTION U1, U2 2 MAX8510EXK29+ ultra-low-noise, high PSRR, low-dropout, 120mA linear regulators U8 1 16.368MHz TCXO Rakon IT3205BE U10, U11, U28 0 Not installed 2 MAX4444ESE+ ultra-high-speed, low-distortion, differential-tosingle-ended line receivers U12, U18 U14 1 MAX4447ESE+ 6500V/µs wideband, high-output-current, single-ended-to-differential line driver U21 1 MAX2769ETI+ low-power, singleconversion, low-IF GPS receiver DESIGNATION QTY DESCRIPTION U23 1 SN74LV07ADR hex buffer/driver with open-drain output Texas Instruments SN74LV 07ADR W1–W12, W18, W19, W20, W28 16 1 x 2 inline headers, 100-mil center Sullins PEC36SAAN W13–W17, W23 6 1 x 3-inline headers, 100-mil center Sullins PEC36SAAN Y2 0 Not installed 17 Shorting jumpers, gold finish contact (W1–W9, W13–W18, W23, W28) Sullins SSC02SYAN — Component Suppliers SUPPLIER WEBSITE AVX Corp. www.avx.com Murata Mfg. Co., Ltd. www.murata.com Rakon Ltd. www.rakon.com Texas Instruments www.ti.com Note: Indicate that you are using the MAX2769/MAX2769B/MAX2769C when contacting these component suppliers. Quick Start The MAX2769/MAX2769B/MAX2769C EV kit includes two on-board MAX8510 linear regulators for powering up the MAX2769/MAX2769B/MAX2769C device to a regulated supply voltage of +2.85V. When using the linear regulators, connect pins 1-2 of jumpers W16 and W17. The MAX2769/MAX2769B/MAX2769C can also be powered directly through an external power supply through pin 2 of the jumpers (see Figure 1 for details). Required Test Equipment This section lists the recommended test equipment to verify operation of the MAX2769/MAX2769B/MAX2769C. It is intended as a guide only and some substitutions are possible. • One RF signal generator capable of delivering at least +5dBm of output power at the operating frequency (e.g., HP E4433B or equivalent) www.maximintegrated.com • An RF spectrum analyzer that covers the MAX2769/ MAX2769B/MAX2769C operating frequency range (e.g., FSEB20, or equivalent) • A power supply capable of up to 1A at +2.7V to +6V • One ammeter for measuring the supply current (optional) • 50Ω SMA cables • A network analyzer (e.g., HP 8753D or equivalent) to measure small-signal return loss (optional) • A dual power supply capable of delivering up to 1A at ±5V • A user-supplied IBM-compatible PC • Oscilliscope or logic analyzer to measure digital outputs (optional) Maxim Integrated │  2 MAX2769/MAX2769B/MAX2769C Evaluation Kit Connections and Setup This section provides the EV kit and testing not turn on the DC until all connections a step-by-step guide to operating the device functions. Caution: Do power or RF signal generators are completed. 1) Connect the PC to the INTF3000 interface board using the USB cable. On the INTF3000, remove jumper JU1, and connect a DC supply set to +3V to the VPULL connector. Connect the 25-pin connector of the INTF3000 (J4) directly to the 25-pin connector of the EV kit (JDR1). 2) Connect a DC supply set to +3V (through an ammeter if desired) to jumpers W19 and W20 on the EV kit. Do not turn on the supply. When using the on-board linear regulators to power the MAX2769/MAX2769B/ MAX2769C, connect pins 1-2 of jumpers W16 and W17. 3) Connect a DC supply set to +5V to jumper W12 on the EV kit. Connect a DC supply set to -5V to jumper W11 on the EV kit. Do not turn on the supply. 4) Make sure that jumpers W1–W9 and W18 are shorted for proper supply connection. 5) Leave jumpers W13, W14, W15, and W28 open and connect jumper W23 to ground (pins 1-2) if the MAX2769/MAX2769B/MAX2769C is evaluated using a 3-wire bus. 6) Set the signal generator to 1575.42MHz, -110dBm. Do not turn on the generator’s output. Connect the RF signal generator to the LNA1 input. 7) Connect LNA_OUT SMA connector (J8) to the MIX_IN SMA connector (J12) on the EV kit. 8) Connect the output of the MAX4444 buffer (connector J3) on the EV kit to a spectrum analyzer. 9) Turn on the DC supply. The supply current should read approximately 20mA. 10) Visit HERE to download the latest version of the EV kit software, Max2769A_Setup_2-0-1.exe (for MAX2769EVK), Max2769B_Setup_2-0-1.exe (for MAX2769BEVK), or MAX2769C_Setup_1.0.0.exe (for MAX2769CEVK). Run the installation file. Evaluates: MAX2769/MAX2769B/ MAX2769C defaults, also set the SHDN and IDEL pins to 1, under “Entry” page, Hardware Control section. Upon device power-up, the default state should set the MAX2769 device in automatic-gain-control mode (AGCMODE = 00, PGAIEN = 1, and PGAQEN = 0). The default configuration will set the center frequency to 3.9MHz and a bandwidth of 2.5MHz. Using the control software, configure the following: a) In the “Entry” page of the graphical user interface (GUI), set the reference frequency to 16.368MHz. b) Set the R divider to 16. c) Enable the I and Q channels by setting the IQ enable = 1. d) Set the “output level” to 1X = analog outputs through the “Entry” page or configuration register 2. 12) Activate the RF generator and observe the IF signal at 4.092MHz at an I_OUT_ANA SMA connector J3. 13) Set the “output level” to 00 = CMOS logic through the “Entry” page and observe the ADC digital output at J9A–J9D header pins. Layout Issues A good PCB is an essential part of an RF circuit design. The EV kit PCB can serve as a guide for laying out a board using the devices. Keep traces carrying RF signals as short as possible to minimize radiation and insertion loss. Use impedance control on all RF signal traces. The exposed paddle must be soldered evenly to the board’s ground plane for proper operation. Use abundant throughputs beneath the exposed paddle and between RF traces to minimize undesired RF coupling. To minimize coupling between different sections of the IC, each VCC pin must have a bypass capacitor with low impedance to the closest ground at the frequency of interest. Do not share ground vias among multiple connections to the PCB ground plane. Refer to the Layout Issues section of the MAX2769/MAX2769B/MAX2769C IC data sheet for more information. 11) Run the control software on an IBM-compatible PC. Load the default state by clicking Settings, then www.maximintegrated.com Maxim Integrated │  3 A B C D J1 W11 W10 W12 JU 1 2 W20 1 2 1 2 1 2 1uF C70 JU 1 2 W19 1 FILTER_IN 5 4 3 2 -5 C61 10u VN5_IN C62 10u VP5_IN +3 R11 47.5 0.1u C17 + +5 5 U2 BP OUT R66 0 9 10 11 12 13 14 15 16 U1 BP OUT VCC_A VCC_A VCC_A VCC_A VCC_A VCC_D_IN W1 W2 W3 W5 W7 W8 W6 W9 W4 MAX8510EXK29+ SHDN GND IN 5 4 3 2 0.1u C16 C57 0.01u C58 VCC_BUFF VDD_D VCC_TCXO VCC_ADC VCC_D VCC_IF VCC_CP VCC_VCO 1u 1 1u C64 1 1 1 IN OPEN W23 1 6.8n J12 VCC_BUFF1 SHDNB LOCK_DET 1 4 MAX2769 Evaluation Kit ANALOG VERSION REV 4A W18 W17 3 VCC_D_IN 3 VCC_A 10k R69 10k A TP15 A 1 R17 0 SHDN_B 1 LOCK_DET C50 0.1u TP10 C67 100p 1 C5 100p IN 0.1u C55 A 1 VDD_D LD MIX_IN VCC_RF W14 W15 3 2 C31 100p GND OUT J9B R29 100k OPEN 100p C1 4 3 MAX2769ETI+ 1 3 0.1u C8 R28 100k OPEN I+_OUT C32 8p OPEN I1_OUT Q1_OUT Q0_OUT VDD_ADC I0_OUT CS_B R33 R32 C28 0.47n W13 3 1 0 10n Y2 OPEN C65 R1 10n 1 C27 C15 J10 10n 3 2 REF_IN 1 VCC_D OPEN C34 8p R53 0 8p R51 0 R10 0 0 R31 0 IDLE_B 7 6 5 4 3 2 4Y 4A 5Y 5A 6Y 6A VCC U23 2 SN74LV07ADR GND 3Y 3A 2Y 2A 1Y 1A VCC IT3200B OUT 14 10 11 12 8 R65 10K R64 10K R63 10K C47 10pF Q+ 100n C45 R22 0 -5 100n 0 C54 100n R15 47.5 R21 0 R59 0 R9 10K VCC_BUFF SCLK_IN CS_B_IN D_IN I- I+ 6 -5 T3 ADTT4-1 C48 1 5 4 C43 100n R68 OPEN 3 2 C52 10pF 9 10 11 12 13 14 15 SHDNB_IN 10u R61 10K C6 C10 R25 20k EN REF VEE4 VEE3 VEE2 VEE1 OUT GND 1 100p 4 R16 22.1 R62 10K 13 9 1k R40 OPEN VCC_TCXO 10 9 GND1 U8 GND2 VCC_BUFF1 1 OUT J9E 100n C37 R38 200 OPEN 1k R37 OPEN VEE8 VEE7 IN+ NC2 NC1 IN- VCC2 VCC1 16 I_OUT U18 MAX4444ESE+ R58 0 OPEN 100n OPEN C38 GND J11 CLK_OUT 0 R54 -5 8 7 6 5 4 3 2 1 OPEN 100n R23 0 C46 C51 R52 0 C44 10pF 10pF +5 R2 0 100n 1 6 ADTT4-1 C49 OPEN C35 R24 20k 2 5 OPEN 3 T2 4 2 OPEN Pin1 CP_OUT RSX-5 1 A TP3 C24 VCC_BUFF 27p RSX-5 Xtal: Pin 1 to AC Coupling Cap. Others shorted to GND R34 0 C41 100n R4 20K VCC_D VCC_VCO VCC_CP C14 C7 CP_OUT C12 C3 C9 C2 0.1u 100p 0.1u 100p 0.1u 100p 15 REF/XTAL 10n OPEN C25 L3 12u 0.1u C11 R27 100k OPEN OPEN Q-_OUT Q+_OUT R26 8 100k 7 100p 6 5 GND R48 0 100n R39 1k OPEN OPEN R35 OPEN 200 OPEN R41 1k C66 OUT J9D 100n OPEN C39 VCC_ADC C4 16 CLK_OUT 17 18 19 20 21 GND OUT J9C 100n C21 OPEN C33 8p R49 0 R47 0 R47, R48, R52, R54 are 0 ohms in Analog Mode, R47, R48, R52, R54 are OPEN in Digital Modes. 1 OUT GND Interposer Part # 9500-0019-2 ANT_BIAS LNA_OUT ANT_FLAG U21 R20 100k DATA Note: 3 6 5 4 3 2 1 OPEN J9A L2 33nH 100p C56 0 ohm R71 7 SHDNB VCC_RF TP2 T_SEN 6.8n OPEN 4 C69 6.8n C26 R70 OUT C40 100P U11 SAFEB1G57KA0F00R1S 4 OUT 1 C60 W16 1 J8 3 W28 TP1 A ANT_FLAG C30 10n OPEN OPEN C68 TP11 VCOM_ADC A VDD_D TP5 INP VCC_D_IN OPEN R43 0 OPEN R42 0 R13 75 10n 1 A TP4 INN C29 0.1u 0.01u C23 0.1u C22 VCC_RF 4 5 4 5 OPEN R36 200 75 R12 75 1 C19 0.1u -5 R18 75 5 4 3 2 R19 MAX8510EXK29+ SHDN VCC_D_IN C59 1u C63 1u 3 2 1 3 GND IN VCC_D_IN 5 +5 1 6 ADTT4-1 VCC_D_IN -5 +5 OPEN EN OUT+ VEE4 VEE3 VEE2 VEE1 OUT- GND 3 T1 4 2 1 C18 0.1u VEE6 VEE5 NC2 IN NC1 NC VCC2 VCC1 R60 0 2 8 7 6 5 4 3 2 1 U14 MAX4447ESE+ J7 2 2 RF_LNA1_IN 5 4 3 2 2 A 1 U10 SAFEB1G57KA0F00R1S 3 G 6.8n 5 4 3 2 3 G 2 CG2 CG5 5 2 CG2 C36 DATA 8 CG5 27 CS_B 10 28 TSENS CLK 9 S_CLK 2 11 5 26 PGM VCC_VCO 1 R510K J6 R6 10K LNA_IN1 CP_OUT 12 R44 0 R7 10K RF_LNA2_IN 2 25 LNA_N2 IDLE_B 24 /IDLE VCC_CP 22 OUT_BYP VCC_IF 23 VCC_IF 14 VCC_BUFF 3 5 4 3 2 5 4 3 2 I-_OUT R45 0 1 8 7 6 5 4 3 2 1 +5 7 6 5 4 3 2 1 SN74LV07ADR U28 4Y 4A 5Y 5A 6Y 6A VCC EN REF VEE4 VEE3 VEE2 VEE1 OUT -5 21 20 19 18 17 16 15 14 22 10 23 11 24 12 25 13 9 8 7 6 5 4 3 2 1 JDR1 25 24 23 22 21 20 19 18 17 16 15 14 CLK_OUT Q- C53 100n 1 5 4 3 2 Sheet 1 of 1 1 13 12 Q1 CLK 11 10 9 8 7 6 5 Q0 LD_OUT ID_EB_IN 4 3 2 1 8 9 10 11 12 13 14 9 10 11 12 13 14 15 C42 100n R14 47.5 16 Q_OUT GND OPEN GND 3Y 3A 2Y 2A 1Y 1A VEE8 VEE7 IN+ NC2 NC1 IN- VCC2 VCC1 1 J3 I_OUT_ANA U12 MAX4444ESE+ R56 0 OPEN +5 1 I1 R46 0 5 4 3 2 R50 0 4 R3010K 5 R55 0 13 2 R57 0 E + www.maximintegrated.com R8 10K R67 0 +5 Q_OUT_ANA J2 A B C D E MAX2769/MAX2769B/MAX2769C Evaluation Kit Evaluates: MAX2769/MAX2769B/ MAX2769C Figure 1. MAX2769/MAX2769B/MAX2769C EV Kit Schematic Maxim Integrated │  4 MAX2769/MAX2769B/MAX2769C Evaluation Kit Evaluates: MAX2769/MAX2769B/ MAX2769C Figure 2. MAX2769/MAX2769B/MAX2769C EV Kit PCB Layout—Top Layer Metal www.maximintegrated.com Maxim Integrated │  5 MAX2769/MAX2769B/MAX2769C Evaluation Kit Evaluates: MAX2769/MAX2769B/ MAX2769C Figure 3. MAX2769/MAX2769B/MAX2769C EV Kit PCB Layout—Top Silkscreen www.maximintegrated.com Maxim Integrated │  6 MAX2769/MAX2769B/MAX2769C Evaluation Kit Evaluates: MAX2769/MAX2769B/ MAX2769C Figure 4. MAX2769/MAX2769B/MAX2769C EV Kit PCB Layout—Bottom Layer Metal www.maximintegrated.com Maxim Integrated │  7 MAX2769/MAX2769B/MAX2769C Evaluation Kit Evaluates: MAX2769/MAX2769B/ MAX2769C Figure 5. MAX2769/MAX2769B/MAX2769C EV Kit PCB Layout—Bottom Silkscreen www.maximintegrated.com Maxim Integrated │  8 MAX2769/MAX2769B/MAX2769C Evaluation Kit Evaluates: MAX2769/MAX2769B/ MAX2769C Revision History REVISION NUMBER REVISION DATE PAGES CHANGED 0 9/07 Initial release — 1 7/14 Updated step 1 in the Connections and Setup section 2 2 3/16 Added MAX2769B 1–9 3 8/16 Added MAX2769C part number and updated Center Frequency to 3.9MHz 1–9 DESCRIPTION For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com. Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc. © 2016 Maxim Integrated Products, Inc. │  9