From: Bruce Griffiths <[EMAIL PROTECTED]> Subject: Re: [time-nuts] GPS Locked and Unlocked Performance Comparison Date: Thu, 14 Feb 2008 14:14:37 +1300 Message-ID: <[EMAIL PROTECTED]>
> Magnus Danielson wrote: > > From: [EMAIL PROTECTED] > > Subject: Re: [time-nuts] GPS Locked and Unlocked Performance Comparison > > Date: Wed, 13 Feb 2008 19:43:58 EST > > Message-ID: <[EMAIL PROTECTED]> > > > > > >> Hi Magnus, > >> > >> yes filtering is easier at 10KHz than 1Hz; I wonder how much of the 10KHz > >> modulation signal is getting through into the phase noise at the 10MHz > >> output. > >> > > > > For a standard 6 dB loop-filter it balances out nicely on the slope. > > The gain is on shifting the frequency. > > > > I have had great succsess in reducing the phase noise by shifting the > > comparision frequency upwards in a similar fashion. > > > > I prefer a SR-flip-flop over XOR gate. > > > > Cheers, > > Magnus > > > > _ > An XOR gate is better behaved with a noisy reference signal. Yes, but these signals isn't particularly noisy. Cheers, Magnus _______________________________________________ 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.
