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Altera_Forum
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16 years ago

Problem with FIR COMPILER 9.1

Hi everybody, I'm working with a Cyclone 3 EP3C120 Dev. Board and I have some problems with the FIR Compiler 9.1 (also with 9.0). I got eight sets (four Lowpass and four Bandpass), everyon...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

I don't understand. You say that the output of the filter is 50 bits wide, but the input of your round block is 44 bits? How do you connect them together? And do you really need that many bits?

Does your D/A converter accept signed or unsigned input? If it's unsigned it could explain your problem.