Hi, If you sample continously and decimate the data properly you avoid the dead-time issues and get results which is translates well into ADEV measures.
Cheers, Magnus On 2019-07-30 14:30, Bob kb8tq wrote: > Hi > > The 8405 is a fine device and with working probes can be very useful to have > around. Without the > probes .. not so much. Since they have been around since the 1960’s, the > probes may have seen > quite a bit of wear and tear. > > For comparing standards, an RPD-1 and a DVM will kind of / sort of do the > same thing. A pair > of RPD-1’s and a quadrature hybrid into a pair of DVM’s (or ADC’s) will very > much do the same thing. > > Bob > >> On Jul 30, 2019, at 2:04 AM, Perry Sandeen via time-nuts >> <time-nuts@lists.febo.com> wrote: >> >> Yo Bubba Dudes!, >> I've been following the discussion of the FSA3011 with great interest. >> Now I'm not in the upper levels of TN esoteric knowledge or have a burning >> desire to ever get there. After seeing some small reference somewhere I >> looked at the HP 8405A on ebay and the price range seemed comparable to the >> FSA3011. Now the HP 8405 is a huge beast but i was thinking that it might be >> easier for me to use. I'm interested in just 5 and 10 MHz oscillator >> comparison. I know nothing about computer programs or writing any code. >> I also looked at the TAPR TIC. >> So my conclusion are: >> The FSA3011 may be technically the best BUT it seems to be having some >> teething problems and I don't really know about what programs it runs or >> needs. >> The HP 8405A is a big beast, but it maybe simpler for me to run and get the >> results I want which is stopping around 10 to ^12th. But I may have to watch >> it for a long time. >> The TAPR TIC is small (needed) cheaper (also a plus) and seems to run >> available software. but needs a dedicated laptop, which is not a real >> problem. I also have several extra HP 18011's available. >> >> Your opinions are gratefully solicited, >> Regards, >> Perrier >> >> Perrier >> >> If I can just download programs AFAIK I could use the TAPR TIC as I have a >> spare laptop that I could dedicate for its use. The two advantaages >> _______________________________________________ >> time-nuts mailing list -- time-nuts@lists.febo.com >> To unsubscribe, go to >> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com >> and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
