Article View: sci.electronics
Article #22257Re: Help with a timing circuit
From: Dave Newton the Late
Date: Tue, 13 Feb 1990 03:14
Date: Tue, 13 Feb 1990 03:14
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In article <5712@udccvax1.acs.udel.EDU: hamilton@vax1.acs.udel.EDU (Andrew W Hamilton) writes: :I'm trying to build a circuit which outputs a continuous square wave :where the period can be varied from about 4 seconds to 60 seconds using :a variable resistor. The catch is that no matter what the period is, :the "high" must be a contstant 3 seconds, i.e, a period of 10 seconds :would have a 7 second low and a 3 second high. I'm rusty, but I think what you want is a one-shot... -- David L. Newton | uunet!marque!carroll1!dnewton (414) 524-7343 (work) | dnewton@carroll1.cc.edu (414) 524-6809 (home) | 100 NE Ave, Waukesha WI 53186
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!carroll1!dnewton From: dnewton@carroll1.cc.edu (Dave Newton the Late) Newsgroups: sci.electronics Subject: Re: Help with a timing circuit Message-ID: <1205@carroll1.cc.edu> Date: 13 Feb 90 03:14:46 GMT References: <5712@udccvax1.acs.udel.EDU> Reply-To: dnewton@carroll1.cc.edu (Dave Newton the Late) Organization: Organization? We don't need no steenkin' organization. Lines: 13