[Elecraft] K3 Key out

Eric Swartz - WA6HHQ, Elecraft eric at elecraft.com
Mon Feb 9 11:37:12 EST 2009


Hi Phil,

If the 30L-1 keying input, with its very high negative voltage, was ever 
hooked directly to the K3's keying output, there is a very good chance 
you may have destroyed the K3s output keying device.

Eric  WA6HHQ


Phil LaMarche wrote:
> I've had many wonderful emails with suggestions and I thank you.
>  
> Let me be more specific:  The Amp Keyer works OK.  The 30L-1 keys OK.  
> The tested cable coming out of the Key Out on the back of the K3 isn't 
> working properly.  It's in the closed position.  If I take the other 
> end of the cable from the Key Out and plug into the amp keyer, it keys 
> it without my keying the K3.  If I hook it direct to the 30L-1 it keys 
> the amp.  I'm presuming the circuit is faulty in the K3?  Ideas?
>  
> Phil
>  
>
> Philip LaMarche
> LaMarche Enterprises, Inc.
> _www.instantgourmetspices.com_ <http://www.instantgourmetspices.com/>
>
> www.w9dvm.com <http://www.w9dvm.com/>
> 800-395-7795 pin 02
> 727-944-3226
> FAX 727-937-8834
> NASFT 30210
>
> K3  #1605
> W9DVM
>
>  
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