Thanks Jim. I forgot to mention that I was aware of your survey in terms of CW signal purity.
Even though I'm personally most interested in CW I wonder if there is any recent two tone SSB tests that's been published? 73, Yngvi TF3Y On Mon, Aug 31, 2015 at 4:32 PM, Jim Brown <j...@audiosystemsgroup.com> wrote: > On Sun,8/30/2015 8:22 PM, Scott Manthe wrote: > >> Again, the Sherwood TX IMD test that is the basis of the eHam thread is >> almost 7 years old. >> > > Study k9yc.com/TXNoise.pdf which is a comparison of ARRL LAb testing of > popular transceivers, including the K3. Occupied bandwidth of a CW signal > is an excellent test of IMD, because CW is 100% modulation of a carrier by > a square wave, whose infinite harmonics excite IMD. The K3 is the cleanest > of all rigs tested, and it isn't close. > > IMD in a K3 is highest at its highest power setting, and is also highest > with low DC power supply voltage. Unlike many other popular rigs, IMD in > the K3 gets even better at reduced output power. Most of the better power > amps require drive power in the range of 30-50 watts, and having a clean > signal matters most when you're loud in the other guy's RX. :) > > 73, Jim K9YC > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to t...@tf3y.net > -- http://www.tf3y.net ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
