John, In what language is the GUI written? I might be able to help on that, or other parts of the software, if someone else hasn't yet volunteered.
Dave, WA8YWQ On 2016-11-24 06:43, John Ackermann N8UR wrote: > Hi Anders -- > > Thanks, and thanks for the info on the 53230A. I have not used one of those > myself but the data sheet lists 20ps single-shot. > > Also I should note that the TICC does not compete with counters like the > 53230A for high speed measurement, or frequency counting. It does far fewer > measurements per second than the high-end counters -- my design criteria was > for use in PPS measuring system. > > With the current software, the actual measurement processing time is about 1 > millisecond; we may be able to optimize a hundred or two microseconds from > that as the code currently has more 64 bit operations than are necessary, and > there are other things that can surely be tweaked. > > The killer is the serial output via USB. It can take up to 10 ms to output > 20 characters, and that's what really limits the measurement rate. I'm > pretty sure this can be improved (one idea is to buffer results to reduce USB > packetization delays), but there's other functionality that I need to finish > first. > > BTW -- the software is open source and on github at > https://github.com/TAPR/TICC , so I welcome anyone who wants to work on it. > Bug fixes are gladly accepted, and if you're looking for work to do, I could > use a volunteer to work on a couple of areas, most critically finishing a UI > that will allow the user to set operating parameters. > > John > ---- > On 11/24/2016 02:40 AM, Anders Wallin wrote: Nice work! > On the website in the introduction you mention 22ps single-shot > time-stamping on the 5370A/B. > I think it's well established that the 53230A does about 11-12 ps for > time-intervals, which corresponds to about 9 ps single-channel. see for > example: > http://www.anderswallin.net/wp-content/uploads/2015/04/53230A_PPS_skew.png > > Anders > > On Wed, Nov 23, 2016 at 11:13 PM, Peter Vince <petervince1...@gmail.com> > wrote: > > Fantastic John - well done! Yes, I'll definitely put an order in as soon > as possible. > > Regards, > > Peter (G8ZZR, London) > _______________________________________________ > 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. _______________________________________________ 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.
