Hein,
You could do that by sending commands via the KIO2 interface to the K2 - but
you would have to implement a microprocessor in your amplifier to accomplish
that feat. See the KIO2 Programmers Reference document.
The KPA100 accomplishes similar function, but communicates to the base K2
via the AUXBUS signals - problem is that the AUXBUS signalling is Elecraft
proprietary information, so using that is problematic.
There is no one signal that can be used to control the K2 power. I would
think it easier to provide a switch in your amplifier to shunt the input
power off to a dummy load or insert an attenuator - that way all the
controls reside in the amplifier itself.
73,
Don W3FPR
> -----Original Message-----
>
> Hello eveybody, I often use my K2 with a homebrew PA and a
> homebrew tuner, I can easily take the reflectionvoltage from the
> foresaid antennatuner and I should like to use that voltage to
> decrease the input from the K2 to the PA if the SWR should become
> to high. Anybody already experience ?? How to use that voltage in the K2??
> 73 from Hein/PA0NQ
>
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