That is the pragmatic deflection reply ..... but essentially you are correct In a message dated 2/6/2017 7:57:26 A.M. Eastern Standard Time, kb8tq@n1k.org writes: Hi One could easily spend years answering this sort of question. Several people on the list *have* done so. Two of them have already tossed up answers. What are you trying to do? What is your definition of “low”? How well equipped are you to test this sort of thing? How much tweaking are you willing to do? Do you have a source of (custom) low noise crystals? Lots of questions and lots of twists and turns in the answers as a result. Bob > On Feb 6, 2017, at 4:06 AM, Yeti Yetos <rtoporowski@gmail.com> wrote: > > Good morning, > What's the optimal oscillator topology for low phase noise (low frequency > noise and phase noise floor) for 25Mhz/50Mhz/100Mhz frequency range.? > > Best regards, Rafal > _______________________________________________ > 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.