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Altera_Forum's avatar
Altera_Forum
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19 years ago

FFT/IFFT Unity Gain Example

Here is an example that I did a while back when I was playing with the FFT/IFFT core. It was built with DSP Builder 6.1. Also it incorporates the unity gain formula highlighted in the Block floating ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Hi,

FYI, I'm using the full resolution of 18 bits for data and twiddle on 1024 streaming FFT. I've updated and attached the new image with autoscale and it looks better now. The problem is the final_imag is not zero as the initial_imag. Do you have any idea what is the problem?

Regards,

Shaiful