[Elecraft] K3 + Microkeyer II - RF into paddle input

[WA6L]

Terry,

I don't know if this is the same problem, but there is a well-documented
issue with MicroKeyers (actually with the Winkey chip).  It has to do with
the properties of certain metallic compounds used in the contacts on the
keys.  The Begali keys are the ones most apt to have the problem, but there
could be others.

You end up with extra 'dits' and occasionally other anomalies.  The fix is
somewhere on the microHam USA web site -- they sell an interface that goes
between the key and the MicroKeyer and fixes the issue,

Good luck and 73,

John, WA6L



g4amt wrote:
> 
> Has anyone had a problem with RF getting into the paddle input of the MKII
> ?
> Problem is reduced somewhat by careful adjustment of the router `Winkey`
> page, but essentially series of Ds likey to turn into Ms and Gs (!); fine
> with K3 on test so has to be RF based. MKII keys clean with no problems
> `internally` but misbehaves when keyed with paddle. Tried all usual
> decoupling - separate power supplies etc etc ..
> 
> On a slightly separate but perhaps relevant note, I have no +12V output on 
> the rear phone jack on the K3  - this is bracketed (switched) in the
> manual 
> but I can find no reference to where to switch it !  ... it means running 
> the MKII from a 12v psu with the DB37-EL-K3 12v in phone lead floating
> free.
> Thanks in advance for any help !
> 
> Terry
> G4AMT
> 
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