> > I can answer that one. It is in the equipment manuals. 15V max. > Some components are rated at that level.
I hope you are saying that the derating for the components was based on a 15V max input. If there are 15V rated parts on the input rail, that's not good. 73 de AI6KG On Mon, Sep 4, 2017 at 4:49 PM, Jack Brindle <jackbrin...@me.com> wrote: > I can answer that one. It is in the equipment manuals. 15V max. > Some components are rated at that level. > > You really don’t want to go too high or you lose a lot of power dissipated > in linear voltage regulators inside the equipment. > Of course too low and the transmitters can have issues. Things like the > KRC2, W2 and other peripherals should be able to > work pretty well las low as 8 or 9 volts, but they are most happy at the > same level as the transceivers. > > - Jack, W6FB > > > > > On Sep 4, 2017, at 4:31 PM, Phil Kane <k2...@kanafi.org> wrote: > > > > On 9/4/2017 3:29 PM, Jim Brown wrote: > > > >> For several decades, 120/240 VAC became the Standard for single-phase > >> distribution in North America. Those of us who call call it "110" are > >> showing our age. :) > > > > And how many sources refer to it as "115 V" or worse "117 V". > > > > That raises the (on topic) question of what is the acceptable > > excursion/tolerance standard for equipment designed to run on "12 V DC" > > in light of the LiFePO4 battery discussion here recently. > > > > 73 de K2ASP - Phil Kane > > Elecraft K2/100 s/n 5402 > > > > From a Clearing in the Silicon Forest > > Beaverton (Washington County) Oregon > > ______________________________________________________________ > > 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 jackbrin...@me.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 c...@murgatroid.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