Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxl!ihnp4!inuxc!pur-ee!uiucdcs!uiucuxc!beaucham From: beaucham@uiucuxc.UUCP Newsgroups: net.micro.16k Subject: Re: power supply tolerances - (nf) Message-ID: <6278@uiucdcs.UUCP> Date: Tue, 20-Mar-84 22:35:54 EST Article-I.D.: uiucdcs.6278 Posted: Tue Mar 20 22:35:54 1984 Date-Received: Thu, 22-Mar-84 00:57:47 EST Lines: 9 #R:seismo:-71600:uiucuxc:25800003:000:287 uiucuxc!beaucham Mar 20 09:29:00 1984 Thanks for your comment. Apparently the problem with the National chips is that the "center voltage" varies from chip to chip, necessitating the selection of a "matched set". If all chips had the same center voltage, the problem would be much less. Jim Beauchamp, uiucuxc