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AFE7700: IQ Mismatch Cal not working

Part Number: AFE7700

I'm using an AFE7700EVM with LATTE lib 20.1. The AFE7700 is configured in mode2 (RX=TX=FB=245.76Msps). The JESD lanes are UP.

I have looped back TX1 on FB1 with a bandpass filter.

The board is connected to a ZCU102 and a NCO inside the FPGA is generating a CW tone.

I'm not able to execute the TX QMC Calibration.

Nothing is happening on the output signal when I execute the following command: AFE.TOP.TIMINGCTRL.txToFbSelectCh(1,0)

- Is there additional functions to check whether it started or not ? (or what the problem is)

- What signal should be generated by the FPGA for the calibration?

Thanks

Robin