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As shown in the slides, you can use a NCO at Fs/2 (1, -1, 1, -1, sequence) to flip sidebands, however, that would not apply in your case, since the signal would alias and be corrupted.
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Hi Dave,
Can you please explain more about why the signal would alias and be corrupted?
I am trying to replicate the example shown in Figure 36 of your document using "NCO megaCore 13.1 version" but every time I change the 'Desired Output Frequency' value, the Frequency Response plot never changed. I think the version 13.1 NCO has bugs. Have you tried version 13.1 Quartus? I noticed that you used version 12.1 sp1. I might need to use this version instead.
Many Thanks,
Lee
Honored Contributor
