[Amps] Modern rig amplifier keying

[Carl]

A  few earliy Icoms couldnt unless it was current limiited, their switching 
transistor was a wimp.

Carl


----- Original Message ----- 
From: "Glen Zook via Amps" <amps at contesting.com>
To: <amps at contesting.com>; "Stan Gammons" <s_gammons at charter.net>
Sent: Saturday, July 20, 2019 10:34 AM
Subject: Re: [Amps] Modern rig amplifier keying


> Having 12-volts on the keying circuit (actually, usually, 13.8-volts) is 
> very common and I don't know of any "modern" transceiver that cannot 
> handle the voltage.
> Glen, K9STH
> Website: https://k9sth.net
>
>    On Saturday, July 20, 2019, 08:32:43 AM CDT, Stan Gammons 
> <s_gammons at charter.net> wrote:
>
> How much voltage will modern rigs tolerate on the keying circuit? I have
> an older amp that has a 12 volt relay. Will that fry the keying circuit
> of a modern rig?
>
>
> 73
>
> Stan
> KM4HQE
>
>
>
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> 


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