Re: Best way to power array of LEDs?

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#50

From: Mark Zenier
Date: Fri, 13 Dec 2002 19:01

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In article <atba8f$1aqgk$1@hades.csu.net>,
Lizard Blizzard  <NOSPAM@rsccd.org> wrote:
>Mark Zenier wrote: 
>> In article <MPG.185df582bcee22e1989dde@news.inreach.net>,
>> Watson 'Atto Parsec' Name  <alondra101@hotmail.com> wrote: 
>>
>>>I can get the TL431s or TL430s, but I've never seen the LM385-1.2, and
>>
>> Got any broken DVMs?  It (or the Linear Tech. equivalent) are used
>> as the voltage reference in a lot of 7107 LCD DVM circuits.
>
>Come to think of it, the air conditioning guy at work blew out a
>perfectly good Fluke 23 and gave it to me, said it was not worth fixing.
>  But I think the Flukes use a custom part.  This guy has a habit of

My 8020 uses a "Reference, Low Voltage, 1.22 V", which pretty much
sounds like one of these.  Not exactly cost effective to go buy old
Flukes just to scrap out bandgap voltage references, though.

>poking around in 480VAC 3-phase and such, so it's no wonder it got
>fried.  In my case, I don't think that I've ever seen a really worthless
>DVM; usually it's a burned out low value resistor in the current
>circuits.  Or something like worn out banana jacks or the battery leaked
>and corroded the insides.

Mark Zenier  mzenier@eskimo.com  Washington State resident

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From: mzenier@eskimo.com (Mark Zenier)
Newsgroups: sci.electronics.components,sci.electronics.design,alt.engineering.electrical,aus.electronics,sci.electronics.repair
Subject: Re: Best way to power array of LEDs?
Date: Fri, 13 Dec 2002 19:01:25 GMT
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