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Ross Martin (@bitbybitsp)

Running a business to sell ASIC and FPGA FFTs and PFBs (channelizers).

Re: channeliser of Polyphase filter followed by FFT

Reply posted 2 months ago (01/25/2025)
Hi Kaz,You've left off some details regarding what you're looking for.  To give you some numbers I'll assume that you want a complex-to-complex FFT, to operate...

Re: channeliser of Polyphase filter followed by FFT

Reply posted 2 months ago (01/25/2025)
I tried posting this earlier, but somehow it didn't take.  Here's a link to my presentation on how Polyphase Filter Banks work.  As I see it, it's not magic,...

Re: channeliser of Polyphase filter followed by FFT

Reply posted 2 months ago (01/21/2025)
Mark, I really like that you're using filters that are 3dB down at the overlap point.  That's my approach also.  I recently listened to a fred harris presentation from...

Re: channeliser of Polyphase filter followed by FFT

Reply posted 2 months ago (01/21/2025)
I wrote a presentation on how Polyphase Filter Banks work some time ago.  You can find a link to it on my channelizer page, https://bxbchan.comI think you might...

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