Hi It is not that hard to do. Use a linear rather than a switching approach. Run the +12 and +5 supplies off of LT1764 regulators. The -12 is very low current, run it off of a low noise op amp. There are lots of toroidal line transformers that will drive something like this.
Bob > On Aug 31, 2016, at 6:20 PM, Cube Central <[email protected]> wrote: > > Wow, given all the responses about the cleanliness of the power into a > Thunderbolt, I would be even more interested in a power supply that did *not* > leave the "last mile" up to me. I would be more interested in a "pretty > clean" power supply that I could just plug in and go. Any thoughts of me > actually wiring the last bit of it make me break out in a cold sweat and come > face to face with my (established, and sadly slow-to-expand) limitations. > > Maybe I'm the only one that would be interested in such a solution? I hope > not, but I can see that there is a lot to consider about such a thing. > > Cheers! > > -Randal > (at CubeCentral) > > -----Original Message----- > From: time-nuts [mailto:[email protected]] On Behalf Of Bob Stewart > Sent: Wednesday, 31 August, 2016 15:29 > To: Discussion of precise time and frequency measurement <[email protected]> > 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.
