Arliss,
I would suggest that you run the Transmit Gain Calibration and see if
that improves the situation.
73,
Don W3FPR
On 3/13/2013 9:10 PM, Arliss wrote:
I'm experiencing a problem with instability in power output from my
K3/100. No word back from Elecraft yet (it's only been a few days),
so I thought I'd try here.
The problem is that at relatively low power output levels
(approximately 10 to 40 watts), the power output does not remain
constant. If I engage TUNE, the power will vary plus/minus 3 or 4
watts, then jump up briefly by as much as 10 watts or more before
resuming smaller excursions. Although the power variations are brief,
they cause the grid protection circuit in the amp to trip. This
behavior seems to be independent of mode and frequency.
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