ELECTRONIC_CHRONOMETER

Published:2009/7/11 3:24:00 Author:May | From:SeekIC

Trimmers permit adjusting timing by a few seconds per year.Major error is due to aging of quartz crystal,Tunnel diodes divide 100-kc crystal frequency by 2,000 to give 50-cps output for driving motor of clock.-R. L. Watters, Tunnel Diodes Control Quartz-Crystal Chronometer, Electronics, 34:39, p129-131.



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