It would be neat to drive one off a disciplined 16MHz synthesizer and compare.
Bill Dailey > On Sep 25, 2015, at 1:40 PM, Jim Lux <jim...@earthlink.net> wrote: > > I ran 5 teensys in parallel, driven from the same Rb source for an hour.. > They track reasonably well. > The differences are probably due to where they are relative to their > neighbors, and where the AC is blowing in my office. They're all on a single > piece of perfboard side by side. I'll find a cardboard box and some foam to > put them in. (excuse me.. an isothermal atmospheric convection current > inhibition system) > > There's a pretty noticeable "turn on" transient, so I should probably wait a > few minutes before taking data.. > > They're actually run off a 16 MHz crystal, which is presumably multiplied up > by 4 internally. > <5teensyfreq.png> > <5teensyquadfreqremoved.png> > _______________________________________________ > 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. _______________________________________________ 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.