[Elecraft] Yet Another KPA500 Question

[Richard Squire - HB9ANM]

You are right, Bill: the 270V are required for the T/R switching  through the
PIN diodes.

73 - Richard


Bill - K6WLM wrote:
> 
> Since there does not seem to be any schematic diagrams posted yet for the
> KPA500 I am wondering what the 270 volts from the power supply is used
> for.  My guess would be that it maybe used for the T/R swithching and the
> higher voltage insures faster switching but that is just a guess.  Don or
> anyone do you know?
> 


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Richard - HB9ANM
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