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EVM Hardware Modifications from Default

16

SBAU290 – September 2017

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Copyright © 2017, Texas Instruments Incorporated

ADS54J64 Evaluation Module

5

EVM Hardware Modifications from Default

The following hardware changes are required for proper operation of the ADS54J64EVM Rev.A default
PCB, built and assembled with PG1.0 ADS54J64 silicon:

1. Replace C72/73 with 75-

Ω

0402 resistors

2. Place R105/106 with 150-

Ω

0402 resistors

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Содержание ADS54J64

Страница 1: ... Optimizing Evaluation Results 10 3 1 ADS54J64 Operating Mode 10 3 2 LMK04828 Clocking Configuration 11 3 3 Using an External Clock 11 3 4 Using a Coherent Input Source Frequency 12 3 5 HSDC Pro Settings 13 4 Software Description 14 4 1 ADS54J64 GUI 14 4 2 Low Level View 15 5 EVM Hardware Modifications from Default 16 Appendix A 17 List of Figures 1 EVM Feature Locations 4 2 Quick Start Test Setup...

Страница 2: ...ls 15 8 Jumper and Button Descriptions and Default Settings 17 9 Connector Descriptions 18 10 LED Descriptions 19 Trademarks HP is a registered trademark of Hewlett Packard Microsoft Windows are registered trademarks of Microsoft Corporation Rohde Schwarz is a registered trademark of Rohde Schwarz All other trademarks are the property of their respective owners ...

Страница 3: ...e following list of equipment but these items are required for evaluation of this product to achieve the best performance 5 V DC power supply TSW14J56EVM data capture board 5 V power supply and mini USB cable Computer running Microsoft Windows 8 Windows 7 or Windows XP operating system Two low noise signal generators Recommendations RF generator 17 dBm 40 dBc harmonics 500 fs jitter 20 kHz 20 MHz ...

Страница 4: ...data capture from the ADS54J64EVM device using the TSW14J56EVM capture card This step is the starting point for all evaluations 2 1 Software Installation The proper software must be installed before beginning the evaluation See Section 1 2 for a list of the required software Section 1 4 of this document contains links to the required software on the TI website NOTE The software must be installed b...

Страница 5: ...ule 2 1 2 High Speed Data Converter Pro GUI Installation High Speed Data Converter Pro HSDC Pro is used to control the TSW14J56EVM and analyze the captured data Please see the HSDC Pro user s guide for more information 1 Download HSDC Pro from the TI website Section 1 2 contains the link to find the software on the TI website 2 Extract the files from the zip file 3 Run setup exe and follow the ins...

Страница 6: ...he signal generator and the connector to remove noise from the signal 8 Set the analog input signal generator for 90 MHz and 13 dBm 9 Connect the 6 dB attenuator to the DIN J1 input 10 Connect the Analog Input Signal generator to the 6 dB attenuator 11 Place the bandpass filter between the analog signal generator and the attenuator input to remove noise and harmonics from the signal generator 12 T...

Страница 7: ...nverter Pro Figure 3 shows the GUI main page Figure 3 HSDC Pro GUI Main Panel Figure 4 HSDC Pro Sampling Rate and Additional Device Parameters 2 When prompted to select the capture board select the TSW14J56 whose serial number corresponds to the serial number on the TSW14J56EVM and click OK 3 Select the ADC tab at the top of the GUI 4 Use the Select ADC drop down menu in the top left corner to sel...

Страница 8: ...d 9 Click Capture in HSDC Pro to capture data from the ADC 10 In HSDC Pro change the Test Selection to Single Tone 11 Also in HSDC Pro change the spectrum analysis from Real FFT to Complex FFT 12 From the Test Options file menu enable the Analysis Window Markers 13 Set the value of the Analysis Window Markers in the lower left corner of the HSDC Pro window AWM1 120M AWM2 120M 14 The results from t...

Страница 9: ... force an LED status update Device GUI is not working properly Verify that the USB cable is plugged into the EVM and the PC Check the Device Manager of the computer and verify that a USB Serial Device is recognized when the EVM is connected to the PC Verify that the green USB Status LED light in the top right corner of the GUI is lit If the LED is not lit press the Reconnect FTDI button Try restar...

Страница 10: ...C Sampling Rate Decimation NCO Mode 0 983 04 MHz 491 52M 2 122 88M 737 28 MHz 368 64M 2 92 16M Mode 1 983 04 MHz 491 52M 2 Depends on programmed NCO word 737 28 MHz 368 64M 2 Depends on programmed NCO word Mode 2 983 04 MHz 491 52M 2 0 737 28 MHz 368 64M 2 0 Mode 3 983 04 MHz 491 52M 1 Depends on programmed NCO word 737 28 MHz 368 64M 1 Depends on programmed NCO word Mode 4 983 04 MHz 491 52M 2 De...

Страница 11: ...ternal Clock The LMK04828 device provides a very low noise device clock but the noise performance may not be as good as a premium bench RF signal generator so the measured noise performance of the ADS54J64 device can be optimized by using an external signal generator as a clock source To provide the ADS54J64 device with an external clock through EXT_ADC_CLK J6 on the EVM the following hardware cha...

Страница 12: ...ember 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated ADS54J64 Evaluation Module Figure 6 shows the test setup using an external device clock source Figure 6 Test Setup Using an External Device Clock Source 3 4 Using a Coherent Input Source Frequency A rectangular window function can be applied to the captured data when the sample rate and the input frequency are s...

Страница 13: ...owing function Select the desired windowing function applied to the data for FFT analysis Select Blackman when sampling a non coherent input signal or Rectangle when sampling a coherent input signal Test options notch frequency bins Select bins to be removed from the spectrum and back filled with the average noise level May also customize which Harmonics Spurs are considered in SNR and THD calcula...

Страница 14: ... GUI Tab Descriptions Tab Description INTRO Quick configuration of the devices on the EVM for evaluation ADS54J64 Mode Provides DDC Mode control for the ADS54J64 ADS54J64 Other Provides additional functionality controls for the ADS54J64 LMK04828 Provides controls for the LMK04828 features that can be used to customize evaluation or set up more advanced clocking schemes Low Level View Allows write ...

Страница 15: ...ister highlighted in the Register Map with the value in the Write Data field This button must be clicked after changing bits in the register data section Write All button Update all registers shown in the Register Map with the values shown in the Register Map summary Read Register button Read from the register highlighted in the Register Map and display the results in the Value column Read All but...

Страница 16: ... Instruments Incorporated ADS54J64 Evaluation Module 5 EVM Hardware Modifications from Default The following hardware changes are required for proper operation of the ADS54J64EVM Rev A default PCB built and assembled with PG1 0 ADS54J64 silicon 1 Replace C72 73 with 75 Ω 0402 resistors 2 Place R105 106 with 150 Ω 0402 resistors ...

Страница 17: ...1 2 Reserved Do not use this state Short 2 3 Default state NOTE Open is not a valid state for this jumper JP2 VCXO Power Short Short Supplies 3 3 V to Y1 VCXO Open Disconnects power from Y1 VCXO TRIGAB External trigger for Burst Mode channels A and B Open Pin 1 Trigger signal 1 8 V logic Pin 2 Ground Open Trigger function not used TRIGCD External trigger input for Burst Mode channels C and D Open ...

Страница 18: ...MS Pin9 TDI Pin2 Pin10 GND A 2 Connector Descriptions Table 9 lists the EVM connectors and their function Table 9 Connector Descriptions Connector Description AIN J1 Receiver ADS54J64 analog input channel A BIN J7 Receiver ADS54J64 analog input channel B CIN J8 Receiver ADS54J64 analog input channel C DIN J5 Receiver ADS54J64 analog input channel D EXT_ADC_CLK J6 Receiver ADS54J64 external clock i...

Страница 19: ... Descriptions LED Description PWR D2 Indicates status of input power OFF Power is not provided at J14 ON Power is provided at J14 CLKIN0 SEL D4 Not functional CLKIN1 SEL D5 Not functional PLL1 LOCKED D6 LMK04828 lock detect PLL1 OFF PLL is not locked ON PLL is locked PLL2 LOCKED D3 LMK04828 Lock Detect PLL2 OFF PLL is not locked ON PLL is locked JESD_SYNC D7 Not functional Always dimly lit ...

Страница 20: ...y set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warr...

Страница 21: ...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 Concernant les EVMs avec antennes détachables Conformément à la réglementation d Industrie Canada le présent émetteur radio peut fo...

Страница 22: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM user 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 even ...

Страница 23: ...COST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Страница 24: ... TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD PARTY IS GRANTED HEREIN including but not limited to any patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI product...

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