[Elecraft] K2/100 #4198 PA Stability Problem?

[Eric Swartz WA6HHQ - Elecraft]

Hi Andy,

Email Gary at support@elecraft.com . He is familiar with most failures and 
building mistakes on the KPA100 and should be able to guide you to a solution 
quickly.

73, Eric   WA6HHQ
Elecraft

Andy Cook, G4PIQ wrote:

> RFC10 was actually on top of the socket rather than beneath it, but I've
> moved it and no change. Yes - the box has the shield kit with clips (and
> I did sand the side panels!), although in and out of the box and shield
> on / off makes no odds. The oscillation is actually quite stable -
> moving hands - screwdrivers around makes almost no difference. I said
> that the LF frequency increases slightly with frequency - I meant power!
> And it seems to get less as the PA warms up. PA or ALC I wonder?
>  
> Andy
>