On Mon, Aug 9, 2021 at 1:03 PM <rbl...@swri.org> wrote: > Ettus documentation suggests the radio can be configured for a 25 MS > sampling rate (The master 200M / 8). I’m wondering if it is possible to get > the RFNoc RX *Radio block *to do this without the DDC block. Is that > possible? Entering anything other than 200M in the “Sample Rate (Hz)” field > causes errors. > > In these Radio blocks, what is the Bandwidth(Hz) entry used for? >
Some boards have some analog filters for the reconstruction filter on the output of the DAC. > > Is there any reason that you cannot use a Radio block *without* the DDC > block, sampling rates aside? > The ADC is running at a fixed rate. I believe there are 2 rates readily available: 200 MHz and 184.32 MHz. The DDC is needed to change the rates by filtering and decimating. Does that make sense? Brian
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