Thanks for the input. I'll try a bit more experimenting and see what I get.
As for the measured cable length, do I include the BNC connectors or not? Joe Gray W5JG On Sat, Apr 2, 2011 at 8:03 PM, Bruce Griffiths <bruce.griffi...@xtra.co.nz> wrote: Bruce Griffiths wrote: > >> The measured delay includes the time offset between the start and stop >> inputs. >> This is unlikely to be zero, you need to measure it and subtract the >> offset from the measured result. >> Since the 5328A can only measure positive time intervals measuring this >> offset is somewhat tricky to do. >> >> Bruce >> > The simplest way of measuring the cable delay with the 5328A is to measure > the delay with a short length of cable between the start and stop inputs and > then increase the length of cable by connecting the cable to be measured in > series with the first cable measure the delay again and subtract the first > measurement from the second. > This procedure corrects for the start to stop offset as well as that of the > first cable. > Then the effects of finite rise time, trigger thresholds and reflections > should be considered. > One then has to consider the effects of the various connectors, _______________________________________________ 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.
