> Then we would need to know/measure the jitter of the retiming > flipflop. Expected values microwave: -120 dBrad^2/Hz flicker, -150 dB white RF: -140 dBrad^2/Hz flicker, -150 dB white Use a double balanced mixer, traditional configuration. A correlation scheme is probably not necessary.
On the understanding side, aliasing is the beast to kill. A logic gate shows a gain g<>0 (analog gain!!!) during the edges, for it behaves as a sampling system -> increased noise bandwidth, due to aliasing. William Egan wrote an illuminating article, Transact. UFFC (1990 in my notebooks, 1992 in my memory, sorry) > There appears to be little definitive published data on the jitter of > various logic gates and flipflops. I know. Fred L. Walls did some work, proc. Freq. Control Symp, I don't remember when. > Consequently a simple reliable method of measuring such jitter > would be > useful. See above Whoever has data, please send. Cheers, Enrico Enrico Rubiola professor of electronics web: http://rubiola.org e-mail: [EMAIL PROTECTED] FEMTO-ST Institute 32 av. de l'Observatoire 25044 Besancon, FRANCE voice: +33(0)381.853940 (E.Rubiola) voice: +33(0)381.853999 (switchboard) fax: +33(0)381.853998 _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
