The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
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: <firstname.lastname@example.org> <email@example.com>
NNTP-Posting-Date: Mon, 23 Sep 2002 13:14:42 +0000 (UTC)
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
X-Cache: nntpcache 2.3.3 (see http://www.nntpcache.org/)
"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?
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup