Hi all Changing HI/LO, SHIFT/WIDTH produce a few Hz change in the tunning frequency. Obviously it does not matter but here we have the waterfall:
http://ea1abz.ure.es/Hz-change.png 73, Ramiro. Nate Bargmann escribió: > * On 2010 24 Nov 16:04 -0600, Ramiro Aceves wrote: >> Hi K3 fans >> >> Speaking about HI and LO Cut controls. I have notice this: >> >> Tune a carrier at for example, 1 KHz tone. >> Set a computer waterfall with enough frequency resolution to see few Hz >> changes >> Play with HI and LO Cut controls up and down (of course, let the 1 KHz >> signal pass trough the filter). >> >> Result, the carrier frecuency will be shifted by a few Hz. >> >> Do you hace same results in your K3? > > Yes. If you don't want FC to change, switch to the Width/Shift controls. > It's a feature, not a bug (TM). > >> Do Low and Hi Cut controls only have effect on the DSP filters? > > I would presume so as my understanding is that all of this "magic" takes > place in the DSP and the crystal filters operate at a fixed offset, if > required. > > 73, de Nate N0NB >> > ______________________________________________________________ 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
