[Elecraft] KX3 Relay Control For Desktop Amplifiers

[wa5pok]

You might try installing a "soft key" kit in the amp if the voltage and 
current requirements may be a bit high for the KX3.

73, Mike WA5POK

--------------------------------------------------
From: "Bob Schumacher" <robertwschumacher at yahoo.com>
Sent: Tuesday, March 12, 2013 12:06 PM
To: <elecraft at mailman.qth.net>
Subject: [Elecraft] KX3 Relay Control For Desktop Amplifiers

> Most common desktop amps have a relay circuit that requires a transceiver 
> to short 12 VDC at 100 ma to key the amplifier on.
> In the KX3 specs, the maximum amp relay current is stated to be 100 ma. 
> Has anyone keyed a desktop amp directly with a KX3 or is it recommended to 
> use an intermediate external relay circuit?
>
> Thanks,
>
> W9DBR
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