>
>
> You are correct, the IC can't handle negative peak. I thought of limiting
> it
> after shifting.  On the other hand, limiting the waveform first and then
> shifting is also fine, I thinking of trying both.


What you're talking about here is RF, and clipping it like this, or applying
any sort of non-linear transform to it, will give you large levels of
harmonic energy. Bad in so many ways.
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