> on 8/1/02 9:32 AM, Jinx at joecolquitt@CLEAR.NET.NZ wrote: > > > 5/32.768 is bloody awful !!!! That's 16% error from a crystal that > > is ppm stable > > No. I got 32 763 seconds instead of 32 768. That is not a 16% error. > More like 0.00015258 % Not %: 5/32768 = .000152587890625 (exactly) which is about 153 ppm and +/- 5Hz at the crystal freq. This is about the pull limit (using a trim cap only) of a 32kHz watch crystal if it is overdriven a little bit. Peter -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics