[Johnson] Ranger Idling Current
Don Ehrlich
ehrlich at clallambroadband.com
Wed Nov 10 15:51:28 EST 2010
My Ranger draws a little less than 20 ma. What is your final screen
voltage? It should be near zero, held there by the clamp tube.
My guess is you have a poor clamp tube or low/no screen voltage on the clamp
tube screen.
Just guessing .. but its a place to start looking.
Don K7FJ
> Hello Gents--
> I now have my Ranger in smoke free operation. I have noticed that the
> (misnamed) idling plate current is up around 75ma which I suspect is high.
> Can anyone on the list tell me where it is supposed to be and how to get
> it down where it belongs? Thanks. Brian
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