Article View: sci.electronics
Article #2916Input protection
From: Jeff Lindstrom
Date: Mon, 13 Apr 1992 11:13
Date: Mon, 13 Apr 1992 11:13
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BJC>I am planning on building a digital tachometer for my truck. For the input,
BJC>Since there are likely to be some rather large power spikes, I would like to
BJC>know what kind of circuitry I would need to protect my TTL-level circuitry.
Check out opto-isolators in a Digi-Key catalog. Manufacturers are Harris, NEC, Isocom, Quality Tech., and Omron.
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Jeff Lindstrom
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Path: arc1-ca.pugleaf.net!sparky!uunet!elroy.jpl.nasa.gov!news.claremont.edu!ucivax!ofa123!Jeff.Lindstrom From: Jeff.Lindstrom@ofa123.fidonet.org (Jeff Lindstrom) Newsgroups: sci.electronics Subject: Input protection Message-ID: <9839.29EBEDDC@ofa123.fidonet.org> Date: Mon, 13 Apr 92 04:13:22 PDT Organization: Universal Electronics Inc. (Public access BBS) Lines: 14