Having low aging is nice, but the real problem is frequency jumps. Do we know that they are the best in that respect? If a crystal can jump 1E-10, then that represents 10 days of aging all at once.
Rick Karlquist, N6RK Didier Juges wrote: > I am not aware of other crystal oscillators with better performance, so > either I am missing something (the more likely explanation) or there is > something to it. > > Maybe the cut is simply a smoke screen and the outstanding performance is > actually due to other process detail(s) not disclosed? > > Or maybe their oscillators are not that good, they just blow smoke really > well. > > Didier KO4BB > >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of Richard >> (Rick) Karlquist >> Sent: Friday, December 07, 2007 10:45 AM >> To: Discussion of precise time and frequency measurement >> Subject: Re: [time-nuts] Super stable BVA Quartz resonators... BVA?? >> >> Reminds me of the "SC" cut crystal. >> It either means "Stress Compensated" or "Santa Clara", where >> it was discovered :-) >> >> The BVA has been around for a long time and you would think >> that if there was really something to it, everybody would be >> making them. Of course, they are very difficult to make. >> >> Rick Karlquist N6RK > > > _______________________________________________ > 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.