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Trying to transmit a tone, but only see intermod products.

Question asked by AN123 on May 18, 2017
Latest reply on Jun 20, 2017 by sripad

Hi all,


I am trying to transmit a tone with the AD9361. When I transmit a DC signal, I can see a signal at the center frequency. However, when the second I transmit a non-DC tone, then I only see what I assume to be intermod products of equal power. 


I can configure the BIST TX inject to transmit a tone offset at the configured TX RF frequency without any additional tones.


I am using the FMComms3 Board hardware and GnuRadio UHD to configure the 9361.


I am wondering if anyone can point me to any registers/filter configurations that can help.


Thank you!