Ooooops - forgot to include the forum. Larry ---------- Forwarded message --------- From: Larry Haney <[email protected]> Date: Sun, Sep 15, 2024 at 9:10 PM Subject: Re: [R-390] R-390 VFO Question To: Barry Scott <[email protected]>
Hi Barry, You are absolutely correct in your deductions. When the KC is at its lowest of 000, the vfo is at its highest (3.455 mh). Regards, Larry On Sun, Sep 15, 2024 at 7:23 PM Barry Scott <[email protected]> wrote: > Looking at the simplified schematic for the 3rd mixer (V205), the output > from the 2nd mixer (V204) tunes from 3 to 2 MC and the VFO tunes from 3.455 > MC to 2.455 MC yielding a constant 455 kc mixer product. Is it correct to > interpret those numbers to mean that if the counter starts at XX 000 and > the KC control is rotated CW to XX +000 the VFO's output frequency starts > at 3.455kc and falls 1000 kc for 10 turns CW on the KC knob? > > I'm asking because I want to know what the frequency of the VFO is supposed > to be when the dial is at XX 000 and I presume it's 3.455 kc but wanting > to make sure. > > Thanks, > Barry - N4BUQ > ______________________________________________________________ > R-390 mailing list > Home: http://mailman.qth.net/mailman/listinfo/r-390 > 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 > ______________________________________________________________ R-390 mailing list Home: http://mailman.qth.net/mailman/listinfo/r-390 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
