Hi Most people put the best of the batch in the paper. It is indeed odd that the very experienced authors of the paper did not do so. With low drive a 5 MHz HC-40 should get into parts in the thirteenth over much of the bathtub region.
Bob On Feb 26, 2012, at 3:22 PM, "John Miles" <[email protected]> wrote: >> The other interesting thing in the paper is that the short term numbers >> shown aren't into parts in the 13th. > > The ADEV plot in figure 3 doesn't exactly show the oscillator in its best > light. The right side of the 'bathtub' is well beyond 1000 seconds with > these parts, if you actually let them warm up before you measure them. > > So the person who generated the plot either didn't allow sufficient warmup > time, or they used a low-quality reference. The Ch A versus Ch B amplitudes > are almost 3 dB apart, so they probably were not using another MV89A. > > -- john > > > > _______________________________________________ > 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.
