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? > ----- Richard - HB9ANM -- View this message in context: http://elecraft.365791.n2.nabble.com/Yet-Another-KPA500-Question-tp6662317p6662326.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

