Pins 3 and 8 of the FT-950 are paralleled and tied to ground, pin 5, on the KPA-500. (Not PA KEY, pin 2.) I looked at the FT-950 schematic and it appears pin 8 (FT-950 - TX Inhibit) can be left floating, but I went ahead and grounded it anyway as recommended.
See ( http://webpages.charter.net/aj8mh-radio/notebookind8.html ). Joe Hutchens ( AJ8MH ) http://webpages.charter.net/aj8mh-radio/ On Thu, Nov 8, 2012 at 12:46 AM, Jack Molinari wrote: > Am I correct that PA KEY of the KPA 500 is connected to pins 2 and 3 > of the Linear plug on the rear of the FT 950 in order to ground the > circuit? It is not my intention to use the ALC. > ______________________________________________________________ > 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 ______________________________________________________________ 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

