On Tue, May 2, 2023 at 1:30 PM <ri28...@mit.edu> wrote: > Are you using any interpolation or is it going directly to the TX DAC? > > I’m using a base UHD FPGA image at the moment. I tune the frequency > directly using the analog LO. The DSP component of the tune request is set > to 0. Is there some other setting that may have triggered the DUC? > What is the sample rate of your transmitted samples? If it isn't 200 Msps for the X310, then you are using the DUC.
Brian
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