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Article #9786Re: LED history ?
From: David E A Wilson
Date: Mon, 28 Jan 1991 03:17
Date: Mon, 28 Jan 1991 03:17
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wtm@uhura.neoucom.EDU (Bill Mayhew) writes: >In a pinch, I've used an LED as a crude voltage regulator. The >knee of the curve is about 1.8 volts, which beats hooking up three >silicon diodes to get a handy 2 volt drop. Those low voltage Zeners >can be rather inconvenient to find, if you're just fooling around >just prototyping something. I was surprised to find a small red LED inside my CASIO fx-990 solar powered calculator (with no way it could be seen from outside) and came to the conclusion that it must be used as a regulator. -- David Wilson Dept Comp Sci, Uni of Wollongong david@cs.uow.edu.au
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arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!munnari.oz.au!metro!cs.uow.edu.au!davidReferences:
<1991Jan16.034246.12843@zoo.toronto.edu> <1962@atlas.tegra.COM> <1991Jan23.052308.12366@uhura.neoucom.EDU>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!munnari.oz.au!metro!cs.uow.edu.au!david From: david@cs.uow.edu.au (David E A Wilson) Newsgroups: sci.electronics Subject: Re: LED history ? Message-ID: <1991Jan28.031708.6748@cs.uow.edu.au> Date: 28 Jan 91 03:17:08 GMT References: <1991Jan16.034246.12843@zoo.toronto.edu> <1962@atlas.tegra.COM> <1991Jan23.052308.12366@uhura.neoucom.EDU> Organization: Dept of Computer Science, Wollongong University Lines: 12