If I recall the 100w PA switches on when you go over 10w From: "j...@kk9a.com" <j...@kk9a.com> To: Jim Miller <j...@jtmiller.com> Cc: Elecraft Reflector <elecraft@mailman.qth.net>; jtmille...@gmail.com Sent: Thursday, February 23, 2017 5:31 PM Subject: Re: [Elecraft] Product Idea - 25 Watt PA for the K3 Maybe so. I think it would be nice if you could control when the 100w PA switches on or perhaps just have it one all of the time.
John KK9A On 2017-02-23 09:50, Jim Miller wrote: > I'll take a guess. > > All transmitters have multiple stages to get to 100-200 watts. Tapping off > the 10w stage was easy to do and makes a nice QRP rig. I used my K3 for > several years as QRP only before getting the 100w amp and eventually the > KPA/KAT combo. > > jim ab3cv > > On Thu, Feb 23, 2017 at 9:32 AM, j...@kk9a.com <j...@kk9a.com> wrote: > >> I am a little late to the Elecraft party, why does this transceiver use a >> separate 100 watt module instead of just having a 100 to 200 watt >> transmitter like other manufactures? >> >> John KK9A >> >> Harry Yingst >> >> Seeing how the KPA- 500 tends to need less than 25 watts to drive it to >> full output (500 watts) It got me thinking about a 25 watt PA Option. >> Would it be possible to replace the existing 10 watt PA board with a 25 >> watt PA board that would use a larger heatsink instead of the case. >> >> If the stock Filters and Relays can handle the 25 watts it would seem that >> it would be a more inexpensive option for those who plan on going with the >> KPA500. >> >> Just a thought... >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft [1] >> Help: http://mailman.qth.net/mmfaq.htm [2] >> Post: mailto:Elecraft@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 j...@jtmiller.com Links: ------ [1] http://mailman.qth.net/mailman/listinfo/elecraft [2] http://mailman.qth.net/mmfaq.htm ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@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 hlyin...@yahoo.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@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 arch...@mail-archive.com