Stephan Sandenbergh wrote: > Hi Tom, > > Thanks - the data is rather useful. Do you perhaps know what the high freq > phase noise looks like? I'd like to lock the GPS LO to the output of my > GPSDO. However, the integrated jitter will probably determine if it could be > done, by something as simple as filtering the output of a fractional N > (implemented inside a FPGA) or maybe a dedicated fractional N IC with > low-noise VCO (such as those from Analog Devices). I guess the latter is > more realistic. > > I'd guess the stock TCXO onboard the M12+T would have a noise floor below > say -140dBc/Hz.
I have a plot that shows the phase noise of two Tbolts and two Z3801As at http://www.febo.com/pages/gpsdo_comparison/ -- scroll down the page a bit to find the phase noise info. John _______________________________________________ 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.
