Paul Wade did a paper on 10Mhz GPSDO filtering for Microwave Update in October. It is in the proceedings. I don't know if it is available elsewhere.
Bob On Mon, Dec 12, 2011 at 9:17 PM, <li...@lazygranch.com> wrote: > I think you would want to avoid crystal filters due to microphonics. > > I've found building good LCR filters harder in real life than on paper. (I've > done plenty of leapfrog active filters from LCR based designs.) I've had to > make a passive LCR for ADC testing and secondary (parasitic elements of > nonideal component) come into play. Nowadays I just buy COTS. > > > ------Original Message------ > From: Chris Albertson > Sender: time-nuts-boun...@febo.com > To: Discussion of precise time and frequency measurement > ReplyTo: Discussion of precise time and frequency measurement > Subject: [time-nuts] filtering a 10Mhz frequency standard? > Sent: Dec 12, 2011 5:54 PM > > What is the best practice for filtering a 10Mhz sine wave frequency > standard? I've read that you can do more harm than good. Filter > parts (caps, resistors and so on) are all temperature sensitive. But > all those $40 Rb oscillators are putting out a pretty rough looking > sine wave. > > Are some types of filters better. I thought about a crystal filters. > > -- > > Chris Albertson > Redondo Beach, California > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
