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Article #49Re: Best way to power array of LEDs?
From: Uns Lider
Date: Mon, 16 Dec 2002 08:50
Date: Mon, 16 Dec 2002 08:50
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2347 bytes
On Mon, 16 Dec 2002 01:38:07 GMT, ehsjr@bellatlantic.net <ehsjr@bellatlantic.net> wrote: >I was stuck when I had to design a DC-DC converter with 2 isolated outputs, >to fit in the volume of a 9V battery, and run off 5 - 20 V in. Had to >measure input voltage & current, and both outputs - voltage and current, >simultaneously. 2 meters and a dual trace scope left me two meters short. >Grumble. That's why you DON'T throw/give the cheap meters away. It seems to me that so long as the circuit behaves the same way every time you power it up, 2 meters (and a reasonable amount of patience) is plenty. -- uns
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 112d1e,4ef4c9d4aea85e1f X-Google-Attributes: gid112d1e,public X-Google-Thread: 10d137,4ef4c9d4aea85e1f X-Google-Attributes: gid10d137,public X-Google-Thread: 1131b0,4ef4c9d4aea85e1f X-Google-Attributes: gid1131b0,public X-Google-Thread: 1118be,4ef4c9d4aea85e1f X-Google-Attributes: gid1118be,public X-Google-Thread: 103407,4ef4c9d4aea85e1f X-Google-Attributes: gid103407,public X-Google-ArrivalTime: 2002-12-16 00:51:36 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!cyclone.bc.net!newsfeed.online.be!feed.cgocable.net!feed.tor.primus.ca!news.primus.ca!53ab2750!not-for-mail From: unslider-usenet@miranda.org (Uns Lider) Newsgroups: sci.electronics.components,sci.electronics.design,alt.engineering.electrical,aus.electronics,sci.electronics.repair Subject: Re: Best way to power array of LEDs? References: <0001HW.B9C26E7400A7161B165FEAC0@news.covad.net> <at0a6l01j0s@drn.newsguy.com> <at0rth01cgq@drn.newsguy.com> <MPG.185df582bcee22e1989dde@news.inreach.net> <at592u$rs1$1@eskinews.eskimo.com> <atba8f$1aqgk$1@hades.csu.net> <G7Uk4SA$EZ+9Ewv3@jmwa.demon.co.uk> <c52kvuc8sut17acevom3dimg06i7d1ffn0@4ax.com> <ZRoDyBCO$j+9Ewv9@jmwa.demon.co.uk> <3dfa4d0a$0$173$1b62eedf@news.euronet.nl> <ate15d$1b2ft$1@hades.csu.net> <3DFD2E77.6404627D@bellatlantic.net> Message-ID: <slrnavr50d.q32.unslider-usenet@miranda.org> User-Agent: slrn/0.9.6.2 (Linux) Lines: 12 Date: Mon, 16 Dec 2002 08:50:56 GMT NNTP-Posting-Host: 209.58.150.153 X-Complaints-To: news@primus.ca X-Trace: news.primus.ca 1040028656 209.58.150.153 (Mon, 16 Dec 2002 03:50:56 EST) NNTP-Posting-Date: Mon, 16 Dec 2002 03:50:56 EST Organization: Primus Canada