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I am using ADS4229 EVM. This is my test specifications:
Signal generator CH1: 800mV, 4MHz,Sine wave, 50 Ohms connect to ChA on ADS board (J6)
Signal generator CH2-Sync: 800mV, 8MHz, 50 Ohms connect to CLK on ADS board (J19)
Power supply 5V to ADS board
At J1 (Data out), I did not detect any signal. Please help me debugging this problem. I was able to see input signal and clock coming into the board btw. Thank you.
Lac
Lac,
Setup your board for serial SPI mode, then follow the instructions in the attached document. You will not have much of a signal as the analog input is only 1/2 the ADC clock sample rate.
Regards,
Jim
Lac,
The setup I sent you allows you to capture data from J8, which is the default configuration for this board. To capture data on J1 and J2, you will need to remove RN5-RN12, then install U12, U13, and RN1-RN4.
Regards,
Jim
Thank you so much Jim!! I want the signal to go to J8 anyway. However I thought J1 and J2 are test points that i can see before it enter J8. Thanks again