I think it is in Matthys, Crystal oscillator circuits. Can't quote page number now, as my verson is somwhere I cant remember. It's an excellent book if you do some experimentation. I did write an letter to R.J. Matthys a couple of years ago, and reveiced an answer.
73 de Thomas LA3PNA/AE5YS. 2011/7/16 Dan Rae <dan...@verizon.net>: > One crystal expert, who's name escapes me, sorry, told me that if you power > up an oscillator that has been off for an extended period, you should expect > a very rapid ageing process to occur with a lot of the accumulated changes > that would have happened had it been powered on then to occur when it was > restarted. > > But I can't quote chapter and verse, obviously. > > Dan > > ac6ao > > _______________________________________________ > 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. > -- Please avoid sending me Word or PowerPoint attachments. See <http://www.gnu.org/philosophy/no-word-attachments.html> _______________________________________________ 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.