Newsgroups: comp.robotics
Path: cantaloupe.srv.cs.cmu.edu!rochester!udel!news.mathworks.com!newsfeed.internetmci.com!news.sprintlink.net!rockyd!cmcl2!prism.poly.edu!jguthy
From: jguthy@poly.edu (John Guthy)
Subject: Any cheap linear amps?
Message-ID: <DD3qCK.LDp@poly.edu>
Organization: Polytechnic University, New York
X-Newsreader: TIN [version 1.1 PL9]
Date: Thu, 10 Aug 1995 15:43:31 GMT
Lines: 13

	I'm looking for a cheap solution for linear amplification (for DC
	motors).  Ideally, I want high power op-amps that can handle 12-24vDC
	at 2-5 amps.  I have checked places like digikey, and only found op-amps
	that can handle 2 amps (for 30-40$!).  

	I would rather not use PWM. BTW, how do you model a PWM amp if the
	switching frequency is not high enough to ignore? 

	Thanks for any help,

	John
	jguthy@prism.poly.edu

