On Tuesday, January 05, 2016 09:37:00 PM Poul-Henning Kamp wrote: > -------- > > In message <[email protected]>, Bruce Griffiths writes: > >The noise of such Gilbert cell based analog multipliers far exceeds that of > >the traditional mixer. > Yes, but does that really matter in this case ? > > The interesting output will be coming out of a LPF so > most of the noise will die there?/
Yes I believe it does as the mixer multiplier noise sets a lower limit to the beat frequency jitter. If only the noise from the 2 mixers were correlated then the jitter contribution from this would largely cancel out as does the noisee contribution of the offset oscillator. 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.
