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Article #10392Re: Cheap 40kHz Oscillator?
From: Michael A. Covington
Date: Sun, 24 Feb 1991 05:40
Date: Sun, 24 Feb 1991 05:40
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In article <44508@ut-emx.uucp> greg@ccwf.cc.utexas.edu (Greg Harp) writes: >I am (still) dallying into the realm of infrared remotes and I was wanting >some suggestions on the cheapest way to make a suitable 40kHz oscillator >that can be easily modulated for output through an IR LED. > >I basically would like to make production cost (if I ever decide to go that >far) as cheap as possible. So... I would appreciate some suggestions on >the cheapest way to go. Can I beat a 555 in price without adding extra >support hardware? > No. The 555 costs about the same as one transistor, doesn't it? (From a real distributor, I mean, not just Radio Shack.)
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!emory!athena.cs.uga.edu!mcovingt From: mcovingt@athena.cs.uga.edu (Michael A. Covington) Newsgroups: sci.electronics Subject: Re: Cheap 40kHz Oscillator? Message-ID: <1991Feb24.054004.10313@athena.cs.uga.edu> Date: 24 Feb 91 05:40:04 GMT References: <44508@ut-emx.uucp> Organization: University of Georgia, Athens Lines: 12