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Altera_Forum
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13 years ago

NCO and FIR COmpiler Megafunction performance

For learning purpose, I just added two NCO O/Ps with 1 MHz and 5 MHz. NCO1 = 1 MHz NCO2 = 5 MHz and using FIR Compiler unit ( with Fc = 1.25 MHz), I filtered the mixture of these t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

I reviewed the vfw waveform and think to understand the filter problem. It's operating at 5 MHz sampling rate only, although ast_sink_valid is pemanently enabled with 100 MHz input clock. It's the filter design.