Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!hp-pcd!hplsla!jamesv
From: jamesv@hplsla.HP.COM (James Vasil)
Newsgroups: sci.electronics
Subject: Re: A question about the Nyquist theorm
Message-ID: <5170113@hplsla.HP.COM>
Date: 27 Feb 91 22:09:10 GMT
References: <91046.095459F0O@psuvm.psu.edu>
Organization: HP Lake Stevens, WA
Lines: 12

> Wow, that's great! So I only need to sample my 10 Hz bandwidth signal
> which is centered at 1 MHz at 20 Hz!

You might wish to read "Undersampling reduces data-acquisition costs
for select applications" to see how some people are doing just this.
The article, written by Jeff Kirsten & Tarlton Fleming of Maxim
Integrated Products, is in the June 21, 1990 issue of EDN magazine, 
pp 217-228.

Regards,
James Vasil
Applications Development Engineer