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Altera_Forum
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11 years ago

Distorted sine wave, NCO v11.1

Hi, I have NCO v11.1, Stratix II, EP2S180F1020C3, Quartus II 32-bit Full Version 11.1. The shape of the generated sine wave (viewed on the oscilloscope) is distorted more or less, dependi...
Altera_Forum's avatar
Altera_Forum
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11 years ago

Are you sure that all signals fed to the NCO, e.g. phi_inc_i are keeping timing constraints? Ho do you generate the timing of all input signals?