32k is too low of a sample rate for the B205. Try something like 1 Msps to 10 Msps.

Ron

On 10/25/21 7:02 PM, Ernest Poletaev wrote:
Hello,

I'm trying to get clean carrier signal out of Ettus b205 using GNU Radio (see top screenshot by the link).

I have a few boards and TX signal I see on the scope is quite different from expected sine wave (tried different sample rates but results are the same) (middle screenshot).

Do I need to set things differently on the GNU Radio or is it limitation of the board?

Some of the boards give even weirder output (bottom screenshot). Is it broken?

Screenshots: https://imgur.com/a/doA1Syv <https://imgur.com/a/doA1Syv>

Best Regards,
Ernest

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