It's just a"few lines of code" ;) All done in DSP most likely. Simpler than doing the same thing in an analog radio.
Grant NQ5T Sent from my iPhone > On Jul 27, 2016, at 5:22 PM, George Kidder <gkid...@ilstu.edu> wrote: > > Thanks, Don. Harder to implement, but safer. > > George > > >> On 7/27/2016 2:39 PM, Don Wilhelm wrote: >> George, >> >> The K3/K3S does *not* inject an audio tone. >> It shifts the transmit carrier by an amount equal to your sidetone pitch. >> Lower if you are on LSB and higher if you are on USB. >> >> The effect is the same as adding a tone to a perfectly suppressed carrier, >> but is guaranteed to be clean. >> >> 73, >> Don W3FPR >> >>> On 7/27/2016 2:21 PM, George Kidder wrote: >>> Another way to look at the use of CW in SSB mode on the K3: What I think >>> the rig does when you hit the key is inject an audio tone at the CW offset >>> frequency into the audio chain for the SSB signal. If all is clean and not >>> distorted, the result will be a single RF frequency offset from the SSB >>> "carrier", and will be receivable as such by a SSB receiver tuned to the >>> SSB carrier frequency. >>> >>> If the K3/K3S doesn't actually generate an audio tone, it sure behaves like >>> it. > > ______________________________________________________________ > 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 ghyoung...@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
