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Altera_Forum
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13 years ago

band pass FIR filter and weird response

Dear all, I have used altera quartus 12.0 FIR II compiler to generate a bandpass filter. The filter uses 11bits coefficients with 17bit data entry and has 80 taps. I put all that into sim...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Dear All,

thanks for those hints. I see the problem. I'll try to increase depth of my coefficients and play a bit with unity gain to see what I can get. The 'ultimate' goal is to get unity gain with sub-LSB DC error of course :)