Hi Close in, it looks like it's pretty much the crystal and the loading of the bridge oscillator.
Bob On Sep 29, 2012, at 11:46 PM, Richard (Rick) Karlquist <rich...@karlquist.com> wrote: > The E1938A uses a crystal that is basically the same as > the 10811 crystal except that it is in a reduced height > package. However the phase noise is not as good as a > 10811 due to broadband noise in the automatic frequency > control circuit. By the time I discovered this, it > was too late to try to fix it. > > Rick Karlquist N6RK > E1938A designer > > _______________________________________________ > 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.
