> I've picked up a couple of old crystals. Mostly because they look neat. > They are 1Mhz, in a glass tube. The quartz is ~25mm dia, at about 1 mm > thick. Was able to get them to oscillate using a Colpitts circuit. They > will oscillate at 2.851Mhz (probably some strange mode) if given the > chance. > > I've been scouring my reference books here, and haven't had much luck > finding any details on how one would even guess at the parameters of a > quartz like this. >
It seems to me they are of Russian origin: the write "кГц" means "kHz" _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
