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]
