You can find information on how to build FPGA images in the user manual. Be
sure to use the Vivado version and patches indicated for the UHD version
you're using. The current version needs Vivado 2021.1

https://uhd.readthedocs.io/en/latest/md_usrp3_build_instructions.html

X410 natively supports 250 or 245.76 MSPS (200 MHz bandwidth) and 500 or
491.52 MSPS (400 MHz RF bandwidth). If you really want a sample rate in
between, then you'd have to write your own custom logic/code to do it. If
you want to add a custom processing block to do this, then I suggest
looking into RFNoC.

https://kb.ettus.com/Getting_Started_with_RFNoC_in_UHD_4.0

But maybe you could use 400 MHz bandwidth? It might be overkill, but it
also might be less work.

Wade

On Wed, Feb 5, 2025 at 4:23 PM <dhpanch...@gmail.com> wrote:

> Hi,
>
> I would like to build an fpga custom fpga image for x410. I would need to
> be able to TX/RX anywhere between 250 to 300 MHz. The prebuilt UC_200 is
> too low and the CG_400 can’t be adjusted and a bit overkill. Any
> recommendations on how to best do that? Which version of Vivado would I
> need? I currently am using UHD 4.7 and have Vivado 2023.1 installed on my
> machine. I was wondering if its possible to tweak the UC_200 prebuilt image
> to do that? Thanks
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