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Altera_Forum
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16 years ago

FFT Megafunction Fixed Point

I'm trying to use Altera's FFT Megafunction in Fixed Point mode but I didn't find any documentation defining how many bits it uses for decimal part. I'm using the Variable Streaming because its the o...
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Altera_Forum
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16 years ago

I think you need to scale the input up in such a way that you have 32 bits integer and the scale it down in the output. In other words you need to do a bit casting.