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Altera_Forum's avatar
Altera_Forum
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18 years ago

LPF filter

Hi everyone, i have to make an operation of filtering, in particular i need to implement a low pass filter working in a range of frequency from 0 to 50 khz; i tried to use FIR compiler tool to gen...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Everything seems correct from what you write.

Anyway, just a couple of clues:

1) Have you used 500kHz sampling rate also for the NCO output?

2) Are you using an excessive output truncation factor which may hide the filtering effect?