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Altera_Forum's avatar
Altera_Forum
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18 years ago

about fft ip core

I'v read the document about the fft ip core(ug_fft.pdf), the document says "For single engine output FFT/IFFTs, there is an additional factor of Q and the shift must be 2-exponent – Q, where Q = 1...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Also another good place to check out the scaling scheme is AN Application Note# 404. In fact I was able to use that Application note to create a unity gain example. (The design, built in 6.1, should be up somewhere on the forum.)