[TenTec] Argo V amp keying

[Rick - DJ0IP / NJ0IP]

Of course it does.
It has a "T" line inside which goes positive whenever the ARG.V goes into
transmit.
This enables all the other stages needed to transmit.
It can also be used as a signal to key the external linear.

All you need do is tap into that signal, buffer it with a transistor and
drive a small reed relay.  The reed relay's NO contacts can be used to key
the external amplifier.

Of course you will probably need to drill a hole in the back panel for
mounting an RCA phono jack, and you'll need to solder a few connections, but
it's quite easy.

73
Rick, DJ0IP

-----Original Message-----
From: TenTec [mailto:tentec-bounces at contesting.com] On Behalf Of Mark N8COO
Sent: Tuesday, August 06, 2013 3:52 AM
To: tentec at contesting.com
Subject: Re: [TenTec] Argo V amp keying

The Argonaut V does not have any provision for keying an external amp.

73, Mark N8COO



Date: Sun, 04 Aug 2013 14:41:33 -0400
> From: Dave Edwards <kd2e at comcast.net>
> To: Discussion of Ten-Tec Equipment <tentec at contesting.com>
> Subject: [TenTec] Argo V amp keying
> Message-ID: <51FEA05D.7000901 at comcast.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> I would like to try keying an amp with my Argo V.
>
> The ACC din plug has a connector labelled "PTT"
> The manual indicates this is for remote keying the radio with a TU or 
> whatever.
>
> Does anyone know if it also provides a closure upon transmit?
>
> ....Dave
>
>
>
>
> --
>
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