RE: KPA100 T-R switch
Posted by
Don Wilhelm-3 on
Mar 05, 2006; 10:22pm
URL: http://elecraft.85.s1.nabble.com/KPA100-T-R-switch-tp387286p387287.html
Gil,
The power handling capability is limited by the reverse bias voltage applied
to the switch, which is about 120 volts under load - so the power limit as
implemented in the KPA100 is only about 120 watts.
You would need a bias voltage in the neighborhood of 300 volts to handle 400
watts, and the switching MOSFETs must also be capable of handling that
voltage.
73,
Don W3FPR
> -----Original Message-----
>
> Anyone have an idea of just how much power the T-R sw. in the
> KPA100 would handle over the 100 watts it is handling . 300 -400 watts?
>
> Thanks Gil K8EAG
>
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