Bill, Just wondering, how are yu measuring Tx intermods?
73, Bob Nobis [email protected] > On Feb 24, 2017, at 16:24, Bill Leonard N0CU <[email protected]> wrote: > > Benny, > > I recently had Elecraft replace a KLPA3A again. They also did the Tx IMD mod > and an alignment. > I am now seeing the following 3rd order IMDs: > > 4W -40 dBc > 8W -40 dBc > 9W -35 dBc > 10W -30 dBc > 12W -20 dBc > > What is also encouraging is that now the higher order IMDs (5, 7 & 9th) stay > at least 10 dB below the 3rd. > Some of these were equal or higher than the 3rd last summer when I was > discussing the problem with Elecraft. Obviously they have made some notable > improvements since then. > The two tone envelope still looks more like a square wave at 12W, but this > radio is spec'd as a 10W transmitter that is clean to -30 dBc, so it appears > they are now meeting their advertised spec. > > Bill N0CU > > > > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/High-Tx-IMD-with-new-K3s-10-tp7627317p7627339.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 > Message delivered to [email protected] > ______________________________________________________________ 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 Message delivered to [email protected]
