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Re: LF: Re: Sine or not

To: <[email protected]>
Subject: Re: LF: Re: Sine or not
From: "Alan Melia" <[email protected]>
Date: Sun, 18 Feb 2007 23:35:43 -0000
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Hi Uwe...Phew that is a relief I wasn't too happy about my diagnosis anyway,
and the linearity nullified it as an opton.
Well Done, I do like it when you solve a problem and do actually know what
caused it. I used to have a pernickity tech working with me who used to
replace the removed "faulty" component when the set worked ok, to see if the
fault returned ! He wasn't really happy until it was pinned down and set in
concrete. We used to see very few of these repaired units in the workshop
again. The ones I dont like are the ones that just "go away" and you cant
get them back. Its then either a lot of soak testing or use the customer as
the tester.

Good LF DX !!
Cheers de Alan G3NYK

----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: 18 February 2007 19:22
Subject: Re: LF: Re: Sine or not



Hi Jeff, hi Alan,
sri for being so late with the response.

> I use 54�H air coils
Jeff, here are two 54�H ring core coils in use. they did and do a good job
up to 1kW output.

> What is it like a lower power levels ??
Alan, it was all the same, 10W or 800W.

> what if there is insulator leakage
to find the defect I connected a aerial dummy to the end of the feeder (80m
long) in the first step: all the same! second ?accidentally- step: I
manually
moved the phasemeter somewhat ? surprise: sines like they have to be on the
screen!
I am ashamed to tell you that inside the phasemeter (homebrew) a ?naked-
wire
touched the case.

thanks for the hints and best regards
Uwe/dj8wx







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