Hello all, I agree with Guy.
This could be turned on when CONFIG:SMTR MD is set to ABS. Ken K5DNL ------------------------------------------------------------ --- On Sun, 5/29/11, Guy Olinger K2AV <[email protected]> wrote: > From: Guy Olinger K2AV <[email protected]> > Subject: Re: [Elecraft] RF-Gain & S-Meter (again) > To: "Mike Morrow" <[email protected]> > Cc: [email protected] > Date: Sunday, May 29, 2011, 2:33 PM > Exactly, which is what most people > expect, without knowing that they > expect it, since 99% of ham receivers have done that since > AGC first > showed up. > > This behavior is CODED INTO the K3 firmware algorithm for > the S-meter > presentation. It is not mandated by the way hardware > is wired. It is > a choice made by the coder of K3 firmware, not the designer > of circuit > board traces. The firmware COULD be coded to always > show the signal > level at the antenna input regardless of RF gain setting, > which is > what I would prefer. This could be turned on when > CONFIG:SMTR MD is > set to ABS. > > 73, Guy. > > On Sat, May 28, 2011 at 11:04 PM, Mike Morrow <[email protected]> > wrote: > > The more common method for the past 65 years or so has > been to use the AGC > > circuit to reduce stage gain for both automatic AND > manual gain control: > > (1A) AGC, which as it gets larger for stronger signals > increases bias > > voltage to the RF and IF stages. This is the > input to the S-meter. > > PLUS > > (1B) Manual RF gain, which manually increases the bias > voltage in the > > AGC circuit to the RF and IF stages, and thus > directly affects > > the S-meter just as any AGC bias voltage > increase would. > > > ______________________________________________________________ > 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 > ______________________________________________________________ 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
