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Altera_Forum
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9 years ago

Issue with CIC filter implementation using DSP builder.

Hi, I'm implementing a 2 stage CIC decimation(/1000) filter using the DSP builder but not using the CIC block rather using adder and substractor to implement it. As per my calculation the CIC f...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

your final output truncation is 31:0 => 11:0, why? try 31:20