DON'T DO IT! The SB200 applies Minus 140 volts or so to the relay control jack and the K3 can not control it. You could damage the K3.

Don K7FJ


----- Original Message ----- From: "Ralph Parker" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Saturday, November 22, 2008 17:26
Subject: [Elecraft] K3: Keying SB-200


I'm just about to connect the KEY OUT to the SB-200 relay.
I hope the little transistor in the K3 can take it!

VE7XF

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