Magnus Danielson wrote: > From: Enrico Rubiola <[EMAIL PROTECTED]> > Subject: Re: [time-nuts] Gate propagation delay jitter > Date: Wed, 11 Apr 2007 00:14:01 +0200 > Message-ID: <[EMAIL PROTECTED]> > > Enrico, > > >>> 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. >> > > So you mean I could toss in a double-balanced mixer and feed it with the > sampling clock and the output lines, while feeding the flip-flop some lower > clock? > > Magnus
The traditional method is to use a pair of fliflops each dividing the clock frequency by 2, one flipflop per mixer input. Both inputs to the mixer should have the same frequency, so each flipflop could be used to resynchronise a lower frequency data input. Bruce _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
