[Elecraft] K3 Erratic output power

[hawley, charles j jr]

I don't think I ever had the problem, but I drilled 7/64 out the 2D spacer and easily replaced it with only the cover removed.

Chuck, KE9UW
AARL, CCA
Lionel Trains TCA, LCCA, LRRC
aka Jack, BMW Motorcycles BMWRA, BMWMOA #224
________________________________________
From: elecraft-bounces at mailman.qth.net [elecraft-bounces at mailman.qth.net] on behalf of Ian White [gm3sek at ifwtech.co.uk]
Sent: Monday, March 04, 2013 1:06 AM
To: 'Wes Stewart'; 'Elecraft Reflector'
Subject: Re: [Elecraft] K3 Erratic output power

When first assembling the RF output connector and the KANT3/KAT3 board,
I didn't like the idea of using the long standoff pillar as a "ground"
return for large RF currents. The end of the pillar is actually quite
close to one of the mounting holes of the SO239, so a much shorter
return path can be made by using two solder tags, bent carefully so that
they overlap and then soldered together.

If Elecraft could supply a suitably drilled and twisted bit of metal,
problems in that upper rear right corner of the K3 might disappear.


73 from Ian GM3SEK


>-----Original Message-----
>From: elecraft-bounces at mailman.qth.net [mailto:elecraft-
>bounces at mailman.qth.net] On Behalf Of Wes Stewart
>Sent: 04 March 2013 01:45
>To: Elecraft Reflector
>Subject: [Elecraft] K3 Erratic output power
>
>Has anyone come up with a permanent fix for the erratic output power
>problem?  I'm not talking about the 100W PA issue, but the issue
"solved"
>(temporarily) by loosening and re-tightening the screws in the metal
standoff
>on the output board near the coax connector.
>
>According to Murphy's Law, mine failed during the DX contest and the
chase
>for TX5K QSOs.  The screw technique worked for awhile but then I had to
>resort to tapping on the top of the case near the connector.

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