Hello Sai I think I may have a solution for the JMODE3 issue. There are .ini files associated with each ADC operating mode for each capture board. The files for the TSW14J57EVM Rev E are located in this folder: C:\Program Files (x86)\Texas Instruments\High Speed Data Converter Pro\14J57revE Details\ADC files The one for JMODE3 is called "ADC12DJxx00_JMODE3.ini". A few of the parameters in that file need to be edited to change how the FPGA operation works at lower serial data rates. Here are the lines that you need to change with the updated values highlighted in Red: MIF Config= 1.5G to 2.5 G:RX:RX_PMA_x20, 2.5 G to 16G:RX:RX_PMA_x40 Fabric PLL Counter = 1.5G to 2.5 G:0x080404, 2.5 G to 16G:0x080202 Edit the .ini file to make those changes and save it, then run HSDC Pro and try JMODE3 with that ADC clock frequency again. Captures should work now. Let me know if this solves the problem or not. Thanks! Jim B
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