WB6BNQ wrote: > Tom Van Baak wrote: > >>> On the DA you will want to ensure all your output cables are of >>> identical length as this will ensure that all signals are in phase at >>> the timebase input(s). It's a small thing really a fraction of a >>> picosecond but it's there and easily compensated for. >> When does the phase of the timebase input mean anything? >> Most test equipment is happy to have a stable external frequency >> input; the phase is immaterial, no? Can someone give me an >> example when relative phase among various random pieces of >> test equipment is important? >> >> /tvb > > Hi Tom, > > Your absolutely right. The only two places that I can think of, off hand, > would > be televison and RADAR (systems with multiple terminals). > > Bill....WB6BNQ
A counterexample would be a sampling system, in which it is required that the sample clock be free-running relative to the signal clock. Otherwise all samples will be at the same few points in the input waveform! _______________________________________________ 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.
