[Elecraft] Key Out jack

[Clay Autery]

K3 Schematics: http://www.elecraft.com/manual/K3_Schematics_Jun_2010.pdf
K3S Schematics: 
http://www.elecraft.com/manual/E740323%20K3s%20Schematic%20Files.pdf

______________________
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 10/13/2017 8:33 AM, N4ZR wrote:
> I am trying to use the Key Out jack on my K3 to key a small relay to 
> protect my SDR from RF.  The 12V at 40 ma is well within the stated 
> rating of the jack, but to my surprise it does not work. Measuring 
> with an analog multimeter, the jack appears to be shorted all the 
> time, and also to have a very small DC voltage on it.  I don't have a 
> schematic for the radio, so I'm stumped.  Is this a function of the 
> way I'm measuring, or...?
>
> -- 
>
> 73, Pete N4ZR
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