[sdiy] A different approach to frequency shifting?

[Martin Fay]

>I remember that this one was an exercise in my communication theory
>courses on university. Just a feeling: suspiciously simple, too simple.
>I did not do the math yet.
>I mean the task to get rid of one sideband is not at all simple.
>This article suggests  that it would be simple (no special requirement
>for the LP filters).
>Smells like nonsense, but I could be wrong.

>From a brief reading of the article it looks like like the filter
actually needs to be an effective halfband/anti-aliasing filter.
Definately not "no special requirement" in my book.


Martin

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