Lee, Is there a problem with creating IMD products withe the 1N4007's at the input of the receiver, or are they too slow to cause a problem?
73, Tom W0IVJ Lee A Crocker wrote: >I reviewed the K-2 100W PA diode switching circuit. >It's a very clever idea, but it still would be quite >expensive and complicated compared to a simple relay >substitution. The cost and complexity is not in the >1n4007 diodes, but in the surrounding control >circuitry and the +150V power supply you need to make >it work. > >I was told the relays in the SDR were 3ms relays >except the relays in the PA. Ten Tec uses relays in >its QSK T/R scheme even up to its high power amps and >they are not vacuum relays, so I can't see the >advantage of a $50+ 1N4007 diode circuit over a ten >bux substitution of fast drop-in relays. > >73 W9OY > >__________________________________________________ >Do You Yahoo!? >Tired of spam? Yahoo! Mail has the best spam protection around >http://mail.yahoo.com > >_______________________________________________ >FlexRadio mailing list >FlexRadio@flex-radio.biz >http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz >Archive Link: http://www.mail-archive.com/flexradio%40flex-radio.biz/ >FlexRadio Homepage: http://www.flex-radio.com > > > > _______________________________________________ FlexRadio mailing list FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archive Link: http://www.mail-archive.com/flexradio%40flex-radio.biz/ FlexRadio Homepage: http://www.flex-radio.com