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Altera_Forum
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17 years ago

Band Pass filter output data

Hi everyone, I use FIR compiler v8.1 to generate a band pass filter 50hz Configuration : - Input Data unsigned width : 8 bits - I use a coef file generated by Matlab - coefficients scal...
Altera_Forum's avatar
Altera_Forum
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17 years ago

one more issue.

You should expect that your output will revert back to signed. The reason is your filter doesn't pass dc. if your input is unsigned it implies dc offset which is filtered off.