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AlexBeasley's avatar
AlexBeasley
Icon for Occasional Contributor rankOccasional Contributor
3 years ago

intel fft ip fixed point with fractional bits

Hi there, I am using the Intel (altera) FFT IP core and I have it configured in fixed-point variable streaming mode. Which lets me set the "data width". My data is in a fixed point format but...
Kshitij_Intel's avatar
Kshitij_Intel
Icon for Frequent Contributor rankFrequent Contributor
3 years ago

Hi,


Let's say for m.n eg. 5.11 and your input is 16bits and you are performing 4096 points FFT the output will be 16 bits +13bits = 29bits you should be able to see the output as 18.11.


Thank you

Kshitij Goel