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Altera_Forum's avatar
Altera_Forum
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16 years ago

FFT output?

This is probably going to be a simple question, but have been unable to find documentation to explain it. I'm running a 512 point 24 bit width data streaming FFT. My output is 24 bits with 6 bits o...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

The altera documentation states it uses block floating point for the FFT.

so what your saying is, and if my data is x"DEADBE" with an exponent "011100" (28 or -4) than it would shift my value down by 4? and my signal would be x"DEADB.E"

sorry im a little confused, not sure if that makes sense.