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Registered: ‎04-17-2019

IP for mixed radix 2D FFT

Hi Everyone

This is my first time posting. I'm new to FPGAs. My question is whether anyone knows of easily available IP for mixed radix 2D FFTs. Either floating point or fixed point is fine. The Vivado IP integrator offers me:

I suspect those aren't what I want. This document

https://www.xilinx.com/support/documentation/ip_documentation/xfft/v9_1/pg109-xfft.pdf

looks like only 1D radix 2 is supported.

I'd appreciate any ideas.

Thank you!

- Andrew

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Xilinx Employee
Xilinx Employee
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Registered: ‎09-18-2018

Re: IP for mixed radix 2D FFT

Hi @andrewjyoung2 ,

As noted, there is no 2D FFT IP. The FFT IP in Vivado has configurations for Radix-4 and Radix-2 architectures.

There is a simple 2D demo in system generator example design, for reference.

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