Re: oversampling
- To: Bill Powell <whpowell@xxxxxxx>
- Subject: Re: oversampling
- From: kragen@xxxxxxxxx (Kragen)
- Date: Tue, 6 Jan 1998 11:23:05 -0400
- cc: MISC
- In-Reply-To: <6fdsKEAtgis0EwuT@mrv5.demon.co.uk>
- Old-Date: Tue, 6 Jan 1998 09:55:31 -0500 (EST)
- ReSent-Date: Tue, 6 Jan 1998 10:26:29 -0500 (EST)
- ReSent-From: Penio Penev <penev@xxxxxxx>
- ReSent-Message-ID: <Pine.SGI.3.96.980106102629.25969H@venezia.rockefeller.edu>
- ReSent-To: MISC
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