HIGH PRECISION 5MC QUARTZ RESONATORS FOR TEMPERATURE CONTROL BETWEEN 20 AND 30C.
Combined reports I, II, III, 20 Jun 63-20 Feb 64.
KNIGHTS (JAMES) CO SANDWICH ILL
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The design and production of 5mc, 5th overtone, quartz resonator units to operate on the extremely flat protion of the characteristic AT frequency-temperature curve, between 20 and 30C is discussed. Data on actual units is compared with calculations, and limits are discussed. Some preliminary data on aging is included. Very small frequency anomalies, possibly resulting from coupled modes, are described. Author