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From: "Ian Buckner"
Subject: Re: Strange failure mode in switchmode power supplies: Followup
Date: Mon, 23 Sep 2002 14:14:39 +0100
Organization: Agilent Technologies
References: <email@example.com> <firstname.lastname@example.org>
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"Peter Gutmann" wrote in message
> "red rover" writes:
> >The magnetic fields I was thinking about would not be filtered
> >by the transformer.
> >How about adding a LISN to the line?
> From what I know of those I suspect it'd be cheaper to get a new
> twice a year to replace failed ones than one of those (I got the
> transformer surplus, even that is kinda pricey new). Wouldn't it
also just be
> acting as an extremely expensive low-pass filter in this case?
> I'll try the power-from-the-neighbours approach which someone else
> first, all that requires is a really long extension cable.
Your comment about DECT phones not working is interesting. They are
pretty "robust", and that might suggest some serious microwave
Frequency is 1.9GHz, well above UHF. You also mentioned that TV
reception is poor. Would you expect that from the location?
Have you got access to a broadband power meter (or a schottky diode)?
Can you see any masts/aerials from outside the house?
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