Hi all, I modified the X310's FPGA to toggle a GPIO pin immediately once it sees TX data, and delay the TX data by a fixed number of samples. Using an oscilloscope, I found that everything works as expected, but there is an initial spike of RF power that precedes the GPIO trigger and the RF signal. Has anyone else experienced this? Is there anything I can set my GPIO trigger on to start before the power spike? I also tried triggering the GPIO pin on DAC_ENABLE, but it seems this signal goes high and stays high once the AD9361 is initialized, and not only when the DAC is about to push out data.
Best regards, Alex
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