[Elecraft] SWR

[Guy Olinger K2AV]

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 <
eric at elecraft.com> 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 <matt.vk2rq at gmail.com> 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 <kengkopp at gmail.com> 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:Elecraft at mailman.qth.net
> >>
> >> This list hosted by: http://www.qsl.net
> >> Please help support this email list: http://www.qsl.net/donate.html
> >> Message delivered to matt.vk2rq at gmail.com
> > ______________________________________________________________
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft at mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to elist_copy at elecraft.com
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to k2av.guy at gmail.com
>