Hi The design traces back to the Efratom “EMXO” from the 1980’s. Vectron bought the rights to that design and produced examples of it for about a decade or so.
Bob > On Jan 14, 2022, at 3:20 PM, Attila Kinali <[email protected]> wrote: > > On Fri, 14 Jan 2022 17:44:22 +0000 > Poul-Henning Kamp <[email protected]> wrote: > >> https://twitter.com/EvilMnkyzDsignz/status/1482039903995273216 > > Now that's an interesting design. > My first thought was, "hell, using /two/ ceramic carriers > for PCBs and using gold wires to connect them to eachother, > that must have been a hell of an expensive DIL-14 oscillator". > > Then I looked at the Datasheet [1] (ok appnote) and guess what, > that's no mere oscillator. That's a bona-fide OCXO. Vacuum packaged, > nonetheless! Sure, it doesn't have the best stability compared to > other OCXO, but compared to other DIL-14 sized OCXO, it's actually > quite good. And it's only the size of a regular XO too! > And this also explains the need for ceramic: an FR4 PCB would$ > have too much outgasing that would then lead to drift. > > Lovely device! > > (Still think it's probably quite expensive) > > Attila Kinali > > [1] https://www.vectron.com/products/ocxo/EMXO-380-385.pdf > -- > The driving force behind research is the question: "Why?" > There are things we don't understand and things we always > wonder about. And that's why we do research. > -- Kobayashi Makoto > _______________________________________________ > time-nuts mailing list -- [email protected] -- To unsubscribe send an > email to [email protected] > To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] -- To unsubscribe send an email to [email protected] To unsubscribe, go to and follow the instructions there.
