Rich and Marcia Putz wrote: > Hi All; > > All this frequency divider conjecture makes me think someone ought to come up > with a modern design regenerative divider! > Perhaps a double balanced mixer and a couple of high speed OP amps! > > Regards; Rich > _______________________________________________ > 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. > > Rich
Wide band opamps are far too noisy for such state of the art applications particularly in the flicker noise region. A well designed discrete component RF amplifier with negative RF feedback will have much lower phase noise. Some MMICs can have phase noise that is almost as low as a discrete component amplifier. Schottky diode based double balanced mixers have lower phase noise than active double balanced mixers. 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.
