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AD9695 Test Tone output


We have an AD9695 running, JESD (subclass 0) locked and Variable IF mode working reliably. However, we are having trouble just getting a test tone out of the device using the DDC/NCO and testmodes. We have tried what seems like every reasonable configuration, but have still failed to get a simple IQ tone out that is controlled by an NCO FTW.

Any help, or simple list of the correct register settings would be much appreciated!