Hi > On Dec 2, 2014, at 1:05 AM, LiAng <lll...@gmail.com> wrote: > > > Bob Camp <kb8tq@...> writes: > >> >> Hi >> >> Looks like something came loose when you swapped around the parts. That > or the regulator is very noisy. >> >> Bob >> > > > I know why the stop1-start is not stable. There is a noise generator > enabled. If start & stop1 is OK, I can change configuration to get 45ps or > even 22ps resolution. > > However, does the 45ps or 22ps resolution make any sense while there is > 60ps rms noise?
Yes, that’s exactly how you would design it. Resolution is cheap, low noise is expensive. You want noise to be the limit not resolution. Bob > In the interpolation scenario, the time we measure changes. > It's not like the laser range measure case. > > > > > _______________________________________________ > 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.