[Elecraft] K2 - KPA100 to much output on 80/40 m in SSB with Comp on

Dr. Werner Furlan furlan at gmx.net
Sun Feb 17 16:05:15 EST 2008


hi Don, 

Don Wilhelm schrieb am 17 Feb 2008 um 14:47:
 
> The problem is that the ALC circuits on the KSB2 board are being 
> overdriven.  Add the following changes:
> On the KSB2 board, 1) change R9 to 1.5k; 2) break the path from KSB2 
> board P1 pin 6 to the base of Q1 and insert a 1k resistor from P1-6 to the
> Q1 base.
> 
> Those additions should calm the behavior down to normal.

the 1k from P1-6 to base of Q1 was already in place from my earlier mod, 
but the change of R9 really cured the problem. All ok now, with Comp up to 
4!

thank you very much, that was really easy to do. (if you know where)


73! de Werner OE9FWV

-- 
7/5th of all people do not understand fractions.


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