Article View: net.micro.atari16
Article #801Re: Power supply
From: Jan Gray
Date: Sat, 24 May 1986 06:50
Date: Sat, 24 May 1986 06:50
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In article <171@sage.cs.reading.Ac.Uk> gordon@sage.UUCP (Simon Gordon) writes: >Some people seem to get their facts twisted. They sure do. >2) With twice as many ram chips, the MMU must do extra work holding the >inputs to the ram chips at their normal voltage. The resisters are therefore >pull ups and do this job instead. The resistors go "in series" with the drivers. Then are not pull up resistors; rather they are there to minimize undershoot and dampen the ringing that occurs when driving an inductive/capacitive load. Still waiting for that replacement power supply, Jan Gray jsgray@watdragon University of Waterloo 519-885-1211 x3870
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site watdragon.UUCP Path: arc1-ca.pugleaf.net!utzoo!watmath!watnot!watdragon!jsgray From: jsgray@watdragon.UUCP (Jan Gray) Newsgroups: net.micro.atari16 Subject: Re: Power supply Message-ID: <1017@watdragon.UUCP> Date: Sat, 24-May-86 02:50:39 EDT Article-I.D.: watdrago.1017 Posted: Sat May 24 02:50:39 1986 Date-Received: Sun, 25-May-86 11:05:20 EDT References: <8605100658.AA12747@ucbvax.Berkeley.EDU> <3407@ukma.UUCP> <171@sage.cs.reading.Ac.Uk> Reply-To: jsgray@watdragon.UUCP (Jan Gray) Organization: U of Waterloo, Ontario Lines: 16