The 53131A is approximately 0.9 Sa/S with a 1 Sec Gate time. With 0.1 s gate time things get really ugly... His issue is not gate time his setup works with print turned off.
On Sat, Dec 3, 2016 at 2:42 PM, Bob Camp <[email protected]> wrote: > Hi > > Ok, it’s 0.99999992 samples per second … I guess that is so close to > 5.0000000000000 seconds and so far from 1.000000000000 seconds that it > explains the issue > > Bob > > > On Dec 3, 2016, at 2:01 PM, Scott Stobbe <[email protected]> > wrote: > > > > Well, that's only true if your counter has zero dead-time... I know you > > know this, 1 second gate time will give slightly less than 1 Sa/S. > > > > On Fri, Dec 2, 2016 at 1:15 PM, Bob Camp <[email protected]> wrote: > > > >> Hi > >> > >> With a 1 second gate time, you will get one data output per second with > the > >> settings you have described. I suspect there is something else wrong > with > >> your > >> setup. The same settings will work for 1 pps and give you one reading > >> output > >> per second. The input level should have no impact as long as it will > >> properly > >> trigger the counter. > >> > >> Bob > >> > >>> On Dec 2, 2016, at 12:54 PM, <[email protected]> <[email protected]> > >> wrote: > >>> > >>> Hi, > >>> > >>> I have not played with my 53131A RS232 for a couple years and have a > >>> question. > >>> I want to configure it to "talk" to Hyperterminal so I can log some > >>> readings. > >>> I did the 5 items to configure it: > >>> HW pacing (disabled) > >>> print on > >>> baud rate (19200) > >>> parity > >>> SW pacing (none) > >>> > >>> with a 5Mhz input I only get data sent about once every 3 seconds, I > >>> thought with a 1 second gate I'd get an output measurement every > >>> second? > >>> > >>> I would think there is plenty of time to output the first measurement > >>> before the next one is read! > >>> > >>> Actual setup I'm wanting to do is time interval (at a 1PPS rate) and > log > >>> the results. > >>> > >>> I remember I had it working once and it would be OK as long as I did > not > >>> exceed around 80% of full scale. > >>> If that happened I would only get an output logged every other second. > >>> > >>> I can live with that part but need to get back to it working below > around > >>> 80%. > >>> > >>> Any advice is most welcome! > >>> > >>> I'm going to configure for the TI and <80% and see what happens. > >>> > >>> Cheers, > >>> > >>> Corby > >>> > >>> _______________________________________________ > >>> 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. > >> > >> _______________________________________________ > >> 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. > >> > > _______________________________________________ > > 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. > > _______________________________________________ > 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. > _______________________________________________ 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.
