At 10:20 AM 5/7/2008, Ulrich Bangert wrote: >Martyn, > >2 parts in 10E-12 in a second's gate time would require to measure the >time interval with an 2 ps resolution. Since the SR620 (at least mine) >features a 20 ps single shot resolution, i fear your number is more >likely "20 parts in 10E-12". Or what you are doing is to make >= 10 >measurements / s of phase and computing the arithmetic mean of them.
For example, the implication is that the SR620's timebase is accurate to parts in 1E-12 or 1E-13, so that it can count off that 1 second with suitable accuracy. _______________________________________________ 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.
