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The problem with this is that the number of FFTs to implement would be about 30/40.
Another idea is to share the control signals between all the FFT as shown at the bottom of the joined picture. For me, this should work fine ...
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Hi Jérôme.
What are the sizes of the FFT's and the data rates you are working with? 30 to 40 FFT's seems unrealistic in a system. So you will probably have to buffer and reuse some of the fft's at least.
As for the data alignment, Yes it should work, but you can remove the uncertainty by just simply adding a few delay line registers so that all the data and SOP/EOP signals are aligned going into the FFT's.
Pete
Honored Contributor
