It is my understanding that Quartz has a sweet spot at 5MHz that makes it ideal if the lowest possible phase noise and highest stability are needed.
Thomas Knox > Date: Fri, 2 Aug 2013 19:57:16 +0200 > From: [email protected] > To: [email protected] > Subject: Re: [time-nuts] 5MHz x 10MHz > > Hi Euclides, > > On 02/08/13 18:31, Euclides Chuma wrote: > > Hi, > > > > Why any equipments use 5 MHz and others use 10 MHz reference standard? > > There are some benefits (traditionally) in using 5 MHz over 10 MHz, but > 10 MHz have become a common standard. The actual frequency isn't really > magic, but 5 MHz and multiples became somewhat standard in the old MIL > STD 188 for time-keeping, and it fit fairly well with what was already > in use. There are folks here that can correct me on massive details. > > Today 10 MHz is more common because, well, engineers then to be > following habits, and 10 MHz "sounds nice". I use 10 MHz mainly because > the application requires it, otherwise I use whatever frequency fits my > other needs, or what becomes easy to source. > > PS. Have not seen you post before, so welcome to time-nuts! > > Cheers, > Magnus > _______________________________________________ > 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.
