Hi Luciano, Have a bunch of 53132as too, nice and small and convenient for frequency measurements.
In the absence of Johns' Timepod, or if you need to measure >30MHz then I think the DTS are the best bang for the buck.. >From there, its either 3048a or TSC5110... But those are $$$ Said On Oct 2, 2012, at 6:06, Timeok <tim...@timeok.it> wrote: > Hi Said, > I have bought the HP53132A from HP several years ago when WWW and ebay was > not invented! hi! > I agree with you about the wavecrest > luciano > > Il 2012-10-02 14:40 Said Jackson ha scritto: >> Luciano, >> >> For TI mode, I have recommended the Wavecrest DTS time interval >> counters here in the past. >> >> Can be 1/2 price of an HP 53132A ($600 or so) on ebay, has 800 >> femtoseconds resolution, and around 3ps SD typically. Goes to 800Mhz >> or twice that depending on model. That blows the 53132A out of the >> water. >> >> Useless in frequency mode though, one must calculate frequency by >> fast time interval measurement on the 10MHz for example using Stable >> 32 etc. >> >> Heavy, large, and power hungry, but quite solid. >> >> Said >> >> >> >> On Oct 2, 2012, at 4:29, Timeok <tim...@timeok.it> wrote: >> >>> test using HP53123A: >>> The pink line is the noise floor using the TI mode >>> The blue line is the noise floor using the Frequency mode (gate 2 sec) >>> The other two line are the same oscillator, an HP105B tested with both the >>> modes. >>> As you can see the range between 1 and 200 sec is "totally >>> compromised" by the system noise floor using the TI method. >>> The approximation using the freq mode can be anyway usefull to make a >>> comparatinon between two source. >>> I suppose to have right measurements, without any restriction we have >>> to use the Timepod or other high level instruments than this kind of >>> counters. >>> >>> Luciano >>> <TIvs Freq mode1.jpg> >>> _______________________________________________ >>> 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. > > -- > timeok > > _______________________________________________ > 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.