[Elecraft] KPA100 100% Duty Cycle - Operating Temperature
K1FFX
bruce.rosen at rcn.com
Sun Nov 5 13:37:00 EST 2017
Don,
You were right on the money with your diagnosis.
I have the Elecraft W1 wattmeter. At 10 watts or below, the "14 watt" range
LED was illuminated. As I rotated the Power knob past 10 watts to just
about 12 watts, the "14 watt" LED went out and the "140 watt" LED was then
illuminated!
So, I've got to replace D16 and D17. Any hints on that replacement job will
be appreciated. I found
an old forum posting from someone who apparently had a difficult time
disassembling the KPA100 to get to the two diodes.
Meanwhile, I've to go back and find your e-mail (I saved it somewhere) on
bleeding off static
charges on the antenna to protect D16 and D17.
Thanks!
- Bruce K1FFX
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Bruce Rosen
K1FFX
K2/100 6982 KSB2 KAT100-1
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