Mike Monett wrote: > Bruce Griffiths <[EMAIL PROTECTED]> wrote: > > >Tom > > > Another example of a case where the electrical length of a cable > > can be important is in precision frequency distribution systems. > > > Trimming the cable to the right length (one way propagation delay > > equal to an odd multiple of half the signal period) for the > > frequency in use minimises the effect of load and source mismatch. > > >Bruce > > Bruce, > > Why would it make any difference? It would seem that as long as the > cable and connectors are stable, any reflections should be constant, > and the signal amplitude and phase should remain constant. So the > zero crossings at the receiver end should not change. > > Where did I go wrong? > > Thanks, > > Mike Monett > > Mike
see: http://ad.usno.navy.mil/edboard/070518p.pdf Bruce _______________________________________________ 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.
