[Elecraft] K2/100 amp keying?

[Charles Greene]

Hi,

What is the limit on voltage and current of the PA Key Out?  I am getting 
ready to hook up a linear to my K2/100.  I do have an external relay if needed.

Chas

At 08:53 AM 12/1/2004, Donald Nesbitt wrote:
>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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