An ATX power supply is not the best of choices. PC power supplies often regulate on the low voltage outputs for the processor, and the higher voltage outputs are slaved to that. Without a suitable load on the main output, the voltage regulation on the other outputs can be very poor.
73 Mike W4LNA On Wed, Jun 20, 2012 at 5:07 PM, Mel Farrer <[email protected]> wrote: > Well, I use a older Sony laptop supply rated at 15 VDC at 3A to run my > FT817 QRP I put two silicon diodes in series on the output. Been running > for over 5 years now. I modified a MFJ 16010-ST tuner to include a > micromatch using a couple of old subminiture battery indicator meters. > Thats my QRP station until the KX3 arrives, hi. > > > Mel, K6KBE > > --- On Wed, 6/20/12, Val <[email protected]> wrote: > > > From: Val <[email protected]> > Subject: Re: [Elecraft] Possible power supply option for the KX3 > To: [email protected] > Date: Wednesday, June 20, 2012, 1:39 PM > > > Phil, > > I modified a 300W ATX PS from my junk box 5 years ago and using it > every day since with my K2 and K3. A lot of dxing and contests, not > a single issue. > The quality of the PC PS differs too much, but a good many of them > are not worse than the other swithers. > > 73, Val LZ1VB > > > > > A shot in the dark..... > > > > Has anyone adapted a "standard" ATX-type computer power supply > > 12V DC output to run a transceiver (K2, VHF, etc)? I have > > one that could be used if feasible. > > > > Pro/con experiences appreciated. > > > > -- 73 de K2ASP - Phil Kane > > Elecraft K2/100 s/n 5402 > > ______________________________________________________________ > 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 > ______________________________________________________________ > 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 > ______________________________________________________________ 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
