[Elecraft] Re: Which Capacitor is it?

Vic Rosenthal vic at rakefet.com
Sat Jan 29 14:11:49 EST 2005


Ted Turk wrote:

> My K2 will be in the post soon.  Meanwhile I have been avidly reading in 
> readiness for the build.  One mention of this mod refers to C72, many 
> others like Stan & Jim refer to C71.  Checking the schematic for the 
> KPA100, C71 is listed as  0.0018uf  decoupling RFC3 to ground and C72 
> 0.01uF decouples the gate of Q6 if I read it right.  Can someone please 
> check this out before I need to get a solder sucker out!!

When I asked Gary about this, he said 'either C71 or C72'.  Since C71 was a 200V 
capacitor, I chose to increase the value of C72 from 0.01 uf to 0.1 uf.  It 
definitely had an effect on the problem.  But -- it's not entirely gone!  So 
this afternoon I will see if upping C71 has some effect.

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco



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