[Elecraft] K2 High Current

[David Woolley (E.L)]

Nick Henwood wrote:
> I am sorting out my K2/100 which had an unhappy experience with a
* thunderstorm in 5x two weeks ago. Thanks for helpful comments.
*
> Almost there but.... I am doing the power calibration. I adjust R26 
* to get the K2 and my power meter reading the same. All goes OK until
* I get to about 10W when I Get "Hi Curr" and the rig draws a lot more
* current e.g. from1.8A to 3.8A. I could stay with 10W for ever

1.8A seems a bit low for 10 watts.

* (probably enough to drive the linear) but this is not how it was.

This is a classic symptom of losing the output power monitoring diodes 
on the 100 watt PA.  I believe they are 1N5711's.  There are many 
examples of this in the list archives.  The K2 isn't EMP hardened!

> Any ideas please?

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-- 
David Woolley
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