[Elecraft] KPA3(A) Extender Board for adjusting the output devices bias...?

[Nr4c]

I suspect that Elecraft would rather we didn’t have such a control. 

Can you imagine the tech support nightmare if we started turning all the slotted screws “Tight to the right”!


Sent from my iPhone
...nr4c. bill


> On Mar 6, 2019, at 6:11 PM, hawley, charles j jr <c-hawley at illinois.edu> wrote:
> 
> Has anyone investigated getting/creating an extender board to enable adjusting the output device bias?
> If I had such a board, then what would I be looking at to properly adjust the bias? Or, what is the idling requirement for both KPA3(A) amplifiers?
> Or again, what are the alignment adjustments for these amplifiers?
> 
> Chuck Hawley
> c-hawley at illinois.edu
> 
> Amateur Radio, KE9UW
> aka Jack, BMW Motorcycles
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> Has anyone investigated getting/creating an extender board to enable adjusting the output device bias?
> If I had such a board, then what would I be looking at to properly adjust the bias? Or, what is the idling requirement for both KPA3(A) amplifiers?
> Or again, what are the alignment adjustments for these amplifiers?
> 
> Chuck Hawley
> c-hawley at illinois.edu
> 
> Amateur Radio, KE9UW
> aka Jack, BMW Motorcycles
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html