I forgot to mention that the crystals for the E1938A had to be calibrated for series resonance at 10 MHz.
Rick Karlquist N6RK Didier Juges wrote: > I think the main difference between parallel and series resonance is that in > parallel resonance mode, the capacitance of the crystal holder and wiring to > the crystal is part of the frequency determining parameters, and in series > mode it is not. So it may have a slight effect on temperature stability > (series would be better?) but it should have no other effect. > > If the parasitics are well controlled, it should have the same stability. > > The crystal is operating the same way, at a slightly different frequency, so > if you had it specified for a series mode, you would be on the wrong > frequency if you put it into a parallel resonant mode oscillator.. > > Didier KO4BB > > > _______________________________________________ > 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.