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 <[email protected]> >>To: Bob Stewart <[email protected]>; Discussion of precise time and >> frequency measurement <[email protected]> >>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 -- [email protected] > 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 -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
