oversampling

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On Tue, 6 Jan 1998, W H Powell wrote:
>  Now for the A/D. Assume it is producing nearly the right bitstream.
> You can therefore low-pass filter these bits and compare them with the
> actual waveform you are trying represent. OK. Do it with a binary
> comparator! The output of the comparator is sampled at a regular clock
> rat and we then have the 1 bit stream of 1s and 0s we presumed in the
> first place. So we can use that! Voila we have a feedback loop that
> pumps out the one bit code we want. Easy!

It sounds like you're talking about something somewhat different from what
Penio was talking about. It sounded like his 1-bit A/D was a comparator
that compared the input level to a fixed, nonzero voltage. Am I just
lost?

Thank you immensely for the explanation.

Kragen

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