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From: "Phil Allison"
References: <email@example.com> <8npR9.16063$jM5.firstname.lastname@example.org>
Subject: Re: Low leakage parts
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Sat, 4 Jan 2003 16:00:30 +1100
NNTP-Posting-Date: Sat, 04 Jan 2003 15:50:29 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"Spehro Pefhany" wrote in message
> On Sat, 4 Jan 2003 14:21:33 +1100, the renowned "Phil Allison"
> >"Spehro Pefhany" wrote in message
> >> On Sat, 4 Jan 2003 11:02:34 +1100, the renowned "Phil Allison"
> >> wrote:
> >> >
> >> > I suspect there was a DC leakage path HOLDING the 0.01 uF cap
> >voltage> >up that was the real story here.
> >> He did say he removed power for the 21 days.
> > ** Does not prove there was *no* leakage path in his design.
> No, but no visible voltage source is a darn good start.
** That is a massive assumption. There may be a switch, PCB tracks or
simply plastic coated wires with leakage current of the order of 1 exp -13
Hey we *are* talking 1 exp 14 ohms here !!!!! Air is that leaky.
> > BTW I, for one, never take poster's words literally. Having done
> >electronics servicing for 30 years I know to disbelieve EVERYTHING I am
> >old - especially when it is only in writing.
> Yes, I've seen a *lot* of that stuff too and tend to discount the
> words until I get a measure of the person. But Tom Bruhns seems to
> know what he's doing.
** OK - then let him explain how he got 1.8 exp 14 ohms across
little bits of plastic insulation that were exposed to the atmosphere.
Most designs battle to get 1 exp 10.
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