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Article #2787Re: TTL level control of 120VAC power
From: Bill Mayhew
Date: Mon, 13 Apr 1992 01:51
Date: Mon, 13 Apr 1992 01:51
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The way to go is to use an optically isolated solid state relay. New, these things go for about $15-$20. Ratings vary, but are typically in the 10amp, 120v range. Input trigger is 3-32 vdc at about 30 mA, give or take. All the SSRs (solid state relays) I've used have come with zero crossing, snubbing, etc built in. Greatly simplifies project building. At hamfests, SSRs usually seem to go for about $5. Check out a Pioneer, Newark,... catalog for details. -- Bill Mayhew NEOUCOM Computer Services Department Rootstown, OH 44272-9995 USA phone: 216-325-2511 wtm@uhura.neoucom.edu (140.220.1.1)
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Path: arc1-ca.pugleaf.net!sparky!uunet!spool.mu.edu!agate!usenet.ins.cwru.edu!neoucom.edu!wtm From: wtm@uhura.neoucom.edu (Bill Mayhew) Newsgroups: sci.electronics Subject: Re: TTL level control of 120VAC power Message-ID: <1992Apr13.015117.6037@uhura.neoucom.edu> Date: 13 Apr 92 01:51:17 GMT Article-I.D.: uhura.1992Apr13.015117.6037 References: <1992Apr11.224329.22842@unixg.ubc.ca> Organization: Northeastern Ohio Universities College of Medicine Lines: 13