Yup, folks (including me on a given day) still stuck with analog thinking about what is really a digital radio. Hard thing to unlearn.
73, Guy K2AV On Thu, Feb 12, 2015 at 10:11 AM, Eric Swartz - WA6HHQ, Elecraft < [email protected]> wrote: > While the K3 will reduce power around a 2:1 SWR to protect the PAs, since > we control power with a long hold time via the uC and DSP and not with an > analog ALC loop, that will not make TX IMD worse. > > 73, > Eric > elecraft.com > _..._ > > > > > On Feb 11, 2015, at 7:08 PM, Matt VK2RQ <[email protected]> wrote: > > > > The issue with running with an SWR of 2:1 is that many modern radios > have fold back protection circuitry that will introduce non-linearity under > such conditions and produce IMD products. For this reason it is usually > better to avoid running into such mismatched loads. > > > > 73, > > Matt VK2RQ > > > >> On 12 Feb 2015, at 5:00 am, Ken G Kopp <[email protected]> wrote: > >> > >> IMHO .... > >> > >> There is far too much emphasis put on chasing "perfect" SWR readings. > >> > >> Except in rare instances SWR's of 2:1 or less are OK in the real world, > and > >> most would be hard-pressed to tell any difference. > >> > >> I have a friend who recently spent several days fretting and climbing > over > >> a reading of 1.7: 1.... (;-) > >> > >> 73 > >> > >> Ken - K0PP > >> ______________________________________________________________ > >> 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 > >> Message delivered to [email protected] > > ______________________________________________________________ > > 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 > > Message delivered to [email protected] > ______________________________________________________________ > 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 > Message delivered to [email protected] > ______________________________________________________________ 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 Message delivered to [email protected]
