Chuck, Your point is correct. I shall revert with numbers. Indeed, there are plenty of limitations. The intrinsic Cristal noise and the behaviour of the crystal under large signal are among the most worrisome. It was incorrect opose the methode (at all) against the other known methodes. Adrian
Sent from my BlackBerry 10 smartphone on the Orange network. Original Message From: Chuck Harris Sent: Sunday, October 2, 2016 19:40 To: Discussion of precise time and frequency measurement Reply To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] notch filter for close in phase noise measurement Adrian, Simple is nice, but if we cannot talk about the limitations that come about because of the simplicity, without causing offense, how can we ever know if simple is good enough? -Chuck Harris Adrian Rus wrote: > Rick, > Why hunt goose with the cannon? The post is about a simple(r) crystal notch > filter, nothing more and nothing less. It is not about notch filters (in > general) against quadrature method, nor about number of RF components or > about their noise floor limitation. > It is about this notch filter against other notch filters. > As per simplicity, to mix 2 oscillators in quadrature one need the second > oscillator, the high level mixer, the PLL and the baseband (FFT) analyzer. > Best, > Adrian _______________________________________________ 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. _______________________________________________ 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.
