I have a Perseus SDR set up to measure phase noise, and also had access to a high dollar phase noise measurement system. The Perseus was sufficient to see the difference, about a 20 dB increase at 15 kHz or so, which is significant. I have links to my setup on my qrz.com page.
73, Mark W7MLG On Wed, Mar 10, 2021 at 8:51 AM Wes <wes_n...@triconet.org> wrote: > > Ok. > > How did you measure phase noise? > > Wes N7WS > > > On 3/10/2021 7:55 AM, Mark Goldberg wrote: > > If the Chinese TCXOs for the K3 are anything like the ones for Kenwood I > > have measured, they exhibit much higher phase noise. That will result in > > much increased transmit phase noise. That will interfere with anyone trying > > to listen close to you in location and frequency. > > > > The K3 is a good neighbor, which is one of the reasons it is prized for > > DXpeditions and Multi Radio contest stations. > > > > 73, > > > > Mark > > W7MLG > > > > On Wed, Mar 10, 2021, 7:33 AM Wes <wes_n...@triconet.org> wrote: > > > >> If it mattered to me I would give the Chinese version a shot. > >> > >> Wes N7WS > >> > >> On 3/10/2021 6:18 AM, Gary Peterson wrote: > >>> A replacement K3S KTCXO3-1 is no longer available from Elecraft. Does > >> anyone have a stable KTCXO3-1, surplus to their needs, that they would > >> consider selling? > >>> Even a standard, plus or minus 5 ppm TCXO might possibly be an > >> improvement. > >>> There are also some, alleged, KTCXO3-1 oscillator modules for sale on > >> eBay for about 40 bucks. Has anyone had experience with any of these? > >>> Thanks, in advance, for any advice, opinions or admonishments. > >>> > >>> Gary, K0CX > >> ______________________________________________________________ > >> 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 marklgoldb...@gmail.com > > ______________________________________________________________ > > 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 wes_n...@triconet.org > > > ______________________________________________________________ > 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 marklgoldb...@gmail.com ______________________________________________________________ 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
