[Elecraft] K2/100 amp keying?

[Donald Nesbitt]

Hi Tom.  If you already have the KPA100, look on the rear panel and you will
see an RCA jack marked "PA KEY OUT" between the ground connection and the
power connector - this will allow you to key your external amplifier
directly - but only if your amplifier has a positive voltage for its keying
line.  If  your amplifier uses a negative voltage keying circuit (like the
Collins 30L-1 and some others) you will need to construct an external
circuit to key the amp.  73 --don n4hh K2/100 #2028

----- Original Message ----- 
From: "TMorton" <tmorton at bigplanet.com>
To: "Elecraft" <elecraft at mailman.qth.net>
Sent: Wednesday, December 01, 2004 8:11 AM
Subject: [Elecraft] K2/100 amp keying?


> I would like to be able to key an external amp with my K2/100.  I see on
the
> web site a circuit and a reference to the AMPMODKIT  to purchase the
parts.
> There I see a note that the parts are included in the KPA100 kit. However,
I
> don't remember building this and don't see a connection point on the back
of
> the /100 cabinet. Did I miss something?
>
> 73
>
> Tom
>
> K6CT
>
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