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Image rejection

Category: Software
Product Number: ADRV9002
Software Version: Argo Navis 0.23.1

ADRV9002 has the following configuration:

Carrier Configuration Mode: Frequency Hopping (Dual Hop LO Retuning/Loop, Carrier Frequency(Hz): 5020000000, 5060000000)

Initial Calibrations: QEC Frequency-Independent, RF DC Offset (Rx1, Rx2)

Tracking Calibrations: not selected

For such scenario a high quadrature error is observed (the image rejection is only 25dB).

Is this initial calibration valid for such configuration?

Why this image rejection is so small?