[Elecraft] K2 dual keying problem

[Sverre Holm]

> -----Original Message-----
> Thank you, Don, for your technical description as to what 
> might be happening.
> 
> I have polished my straight key silver contacts and replaced 
> the diodes with 1N5821 Schottky diodes, but am still getting 
> the problem occasionally.
>

David

If you have many diodes available, then as a last resort you could try to
match the diodes for forward voltage drop. It could be that differences here
could result in slightly different turn-on times and upset the automatic
hand-key detection. 


73

Sverre
LA3ZA
http://www.qslnet.de/la3za/