Hi The easy answer for a couple dozen Tbolts is a +15 V high current linear supply and a low power -15 V linear. Wire them to regulators mounted on chunks of perf board.
Bob > On Sep 1, 2016, at 12:24 AM, DaveH <[email protected]> wrote: > > Someone could come out with a circuit board for a single configurable > voltage and decent noise specs. Use three of them for a Tbolt. > > It is really easy to use the transformer from an old microwave oven to make > your own power transformer - the HV and the 110 volt windings are on > separate parts of the core so it is a matter of a few minutes to hacksaw off > the HV winding and you can use standard household THHN wire for your new > secondary - wind ten turns, measure the voltage and use that to figure how > many turns you actually needed. > > If someone came out with such a bare board, I would buy 20 of them just to > keep around for projects. > > Dave > >> -----Original Message----- >> From: time-nuts [mailto:[email protected]] On Behalf >> Of Bob Stewart >> Sent: Wednesday, August 31, 2016 14:29 >> To: Discussion of precise time and frequency measurement >> Subject: Re: [time-nuts] Anybody want a Thunderbolt power supply? >> >> OTOH, how many time-nuts have any interest in paying for a >> power supply that's up to time-nuts standards? It's really >> not easy to bring a small product to market at a small price. >> Even if you completely discount the personal effort of >> design, construction, and marketing, there's the issue of >> packaging. Without a package, it's just an amateur effort >> not worth considering. With a package, such as a Hammond >> box, the price moves into new territory and nobody's interested. >> >> Bob >> >> >> From: Charles Steinmetz <[email protected]> >> To: [email protected] >> Sent: Wednesday, August 31, 2016 4:24 PM >> Subject: Re: [time-nuts] Anybody want a Thunderbolt power supply? >> >> Mark wrote: >> >>> Some times a full linear supply is not a viable option due >> to power dissipation/size issues or the utter convenience of >> using a switching wall wart. >> >> In the context of the present discussion -- powering a Tbolt for >> time-nuts use -- the first consideration would just be >> laughable and the >> second would be nothing but terminal laziness. >> >> Best regards, >> >> Charles >> >> >> _______________________________________________ >> 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. >> >> >> >> _______________________________________________ >> 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. > > _______________________________________________ > 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. _______________________________________________ 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.
