Thanks Don! That's exactly what I'm looking for. Bob - AE6RV
----- Original Message ----- > From: Don Latham <d...@montana.com> > To: Bob Stewart <b...@evoria.net>; Discussion of precise time and frequency > measurement <time-nuts@febo.com> > Cc: > Sent: Thursday, June 27, 2013 2:51 PM > Subject: Re: [time-nuts] +12 Volts 1A (plus a bit) supply? > > Small switching boards from the Old Country available for under $5 free > shipping on epay. see, e.g. 380663903236 , 10 switching regulators for > $13.00 free shipping. I have a bunch of these, use 'em all the time. > Don > > Bob Stewart >> The transformer gives me about 20 volts DC out. Dropping 8 volts at 1 >> amp is just a lot of power to void with a resistor. I'd like to avoid >> having that much waste heat in the unit. I do have an old power brick, >> but I was hoping there was some small switching board that people had >> had good luck with. Maybe the brick is the best option. >> >> Bob >> >> >> >> >> >>> ________________________________ >>> From: Chris Albertson <albertson.ch...@gmail.com> >>> To: Bob Stewart <b...@evoria.net>; Discussion of precise time and >>> frequency measurement <time-nuts@febo.com> >>> Sent: Thursday, June 27, 2013 1:32 PM >>> Subject: Re: [time-nuts] +12 Volts 1A (plus a bit) supply? >>> >>> >>> >>> >>> >>> You mean you have to many volts for a 12V regulator to drop> > That's >>> easy to fix, use a resister in series. Make the resister par of an RC >>> filter and cleaner power in the process. >>> >>> >>> I use a plug-in power brink from an old notebook computer. I think >>> mine outputs 15V and then this gets dropped to 12V and 5V with a RC >>> filter and regulators. >>> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> > > > -- > "Neither the voice of authority nor the weight of reason and argument > are as significant as experiment, for thence comes quiet to the mind." > De Erroribus Medicorum, R. Bacon, 13th century. > "If you don't know what it is, don't poke it." > Ghost in the Shell > > > Dr. Don Latham AJ7LL > Six Mile Systems LLP > 17850 Six Mile Road > POB 134 > Huson, MT, 59846 > VOX 406-626-4304 > Skype: buffler2 > www.lightningforensics.com > www.sixmilesystems.com > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.