On Fri, 11 Oct 2002, Russell McMahon wrote: > > A ceramic resonator has ample accuracy to guarantee the required accuracy if > used at both ends. I'll retranslate a little this phrase: A ceramic resonator *might* have the accuracy to guarantee if used at both ends. Is much better if slow rate are used. In my practice 4% is the maximum error allowed, even better Olin's 3%. best, Vasile -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.