Luis Cupido wrote: > Bruce, > John, > ... > > And at smaller offsets like 100Hz and less ? > Shouldn't the improvement be even bigger ? > Closer to the carrier we are dealing with bigger signals > so the ADC issues like resolution should be less important, > and the limiting factor should really be the the > phase noise of the LO's and etc. > Am I right ? > > > Luis Cupido. > ct1dmk. > Luis
The R&S FSU67 has a phase noise of around -104dBc/Hz at 100Hz offset with a 640MHz input The R&S FMU36 has phase noise of around -115dBc/Hz at 100Hz offset with a 10MHz input. The limiting factor at low offsets is almost certainly due to local oscillator phase noise. 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.
