On 8/4/2012 12:56 PM, Wayne Burdick wrote: >> ....with a SIS-570 based local oscillator and direct conversion >> >the jury is still out as to whether the phase noise/reciprocal mixing >> >performance is sufficient for use in strong signal (receive) and high >> >power (> 10W) transmit environments. Unless SiS have improved their >> >products greatly or Wayne has some magic in his implementation, I am >> >very concerned (witness the phase noise in the XG3). > Actually, the jury is in:)
I have a loaner KX3, and recently looked at the signal envelope (sidebands, for you non-techie types) and it is VERY VERY clean. 70 dB bandwidth was 200 Hz. 73, Jim K9YC ______________________________________________________________ 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
