Hi folks
I have end to build the KPA100
few days ago but there's a problem to fix.
When drive my Titan 425 gold
series with my K2/100 ( nø 5985) have unstable power control ( 20, 21, 23, 24,
19 watts), the grid current and output power jump up and down (tipically 800 to
1100w with 20w input) on every band, specially on 40 and 80m.
When KPA100 is
OFF i can see very little flutter on simple k2 at 5w... 0,1 0,2 watts of flutter
on internal k2 wattmeter
Seems not Feedback problem or similar, my antenna is
a GP and Ros is perfect...
Have read the mods by elecraft:
http://www.elecraft.com/Apps/Power_Control_Mod.html
Let me know if somebody have fix the problem with this or other mods.
Many thanks in any case, 73 de
Paul IK1QHB
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