Tim Shoppa wrote: > Dr Bruce Griffiths <[EMAIL PROTECTED]> wrote: > >>> At the lab I worked at in the 80's, all the cables hanging on >>> the wall-racks were calibrated and labeled in nanoseconds. >>> >>> But... after the ECL signals got turned into TTL, we just didn't >>> care anymore :-). >>> >> Your not quite obsessive enough. >> The cable delays (including the antenna to splitter cable) should also >> be a multiple of half the signal period to minimise the effects of >> residual mismatches at either end of the cable. >> > > Signal period? Periodic signals? > If only we had the luxury! > > I was not working on the side of the lab where the experiments were > vaporized, though :-). > > Tim. > > _______________________________________________ > time-nuts mailing list > [email protected] > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > Tim
Sorry I should have said a multiple of half the L1 carrier period (~634.75 ps). So the cable delay should be a multiple of 317.375...ps. Bruce _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
