Hey Jason, On Mon, Dec 3, 2018 at 11:50 AM Jason Matusiak < ja...@gardettoengineering.com> wrote:
> Brian, > > I am not sure what the issue is here. I don't think it is the chained DDC > anymore as I can see the issue with the single DDC using multiple different > bitfiles. > > I wasn't re-tuning the Fc anywhere, I was just dropping the sample rate > from 120MHz down to something I could handle. Right now I am not touching > the CORDIC modifications at all. > Are you trying to change the samplerate at runtime after starting the stream? In my experience, ever since around the time the the DDC moved from a CORDIC to using a DDS, dynamically changing the samplerate at runtime after starting a stream is broken and causes strange behavior. In my experiences, it's been timeouts. > > What version of UHD are you running for your applications? > I think I settled on 3.13.0.1 release as my stable base, and I have a few patches applied. Brian >
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