[TenTec] Argo V amp keying

[Dave Edwards]

Is that not the line already available on the accessory connector? (for 
keying the radio)

...Dave


On 8/6/2013 1:51 AM, Rick - DJ0IP / NJ0IP wrote:
> 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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