Mark Sims wrote: > If you are measuring frequency, the accuracy of the results are totally > dependent upon the accuracy of the reference frequency. The 10811 can move > 2.5e-10 with a 10% change in line voltage (which happens quite often around > here as quite a few zillion watts of air conditioning cycle on and off over a > day) > > ----------------------- > Due to the short measurement intervals of the 5370, it is actually > pretty insensitive to the reference frequency quality. > > > _________________________________________________________________ > Windows Live™ SkyDrive™: Store, access, and share your photos. See how. > http://windowslive.com/Online/SkyDrive?ocid=TXT_TAGLM_WL_CS_SD_photos_072009 > _______________________________________________ > 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. > > Such a frequency shift corresponds to about 2.5ns error in a 10s time interval (5370 maximum range). This is much greater than the 25ps resolution and 100ps maximum differential nonlinearity spec for the 5370. For time intervals greater than 100ms or so such frequency changes will significantly degrade the performance.
Bruce _______________________________________________ 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.
