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Re: oversampling


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