[Elecraft] K2 Power Control Question
engineercm
clark.macaulay at gmail.com
Mon Dec 17 21:03:26 EST 2018
I'm becoming more active in QRP contesting and need to make sure that my
power is <5W. I thought I was aligned ok until I put my LP100A into the
shack (what a wonderful instrument). When Power Control = 5.0, the LP100A =
3.0. Now, I want to be below 5.0, but not that low! To reach LP100A = 5,
Power Control must be set at 7.5 (40m) and 8.5 (20m). This is with the ATU
= Cal(P), which removes the matching circuits. The dummy load is a MFJ-264;
the LP100A SWR = 1.13.
I'm okay with cranking Power Control to 8 to get 5w, but would prefer to
have the setting be closer to the acutal power out. I've searched the
archives and can't find a similar problem. I looks like there is a
component problem in the Power Control circuitry, but I'm not sure how to
find it.
I know there are lots of K2 owners out there and hope someone can provide
suggestions as to where to start.
72,
Clark WU4B
K2 #6011
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