[Elecraft] KPA100 Problem still exists, but some new measurements

[Ward Willats]

>Now: I removed Z1 and found the voltage measured at the collectors 
>of Qs 1 and 2 to be -0.4V (J3+ is ok now). I don't know where it 
>could come from.


Hi Gerhard:

Dunno if this is related, but I got a small voltage J3 by shining a 
bright light on the final transistors. There is some sort of 
photoelectric effect.

Your numbers are close to what I measured then:

http://www.ac6rm.net/mailarchive/html/elecraft-list/2003-11/msg00574.html


-- Ward