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Precision Measurement of Electrical Characteristics of Quartz-Crystal Units

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3 Author(s)
W. D. George ; Central Radio Propagation Laboratory, National Bureau of Standards, Washington 25, D.C. ; M. C. Selby ; R. Scolnik

Extensive manufacture and use of quartz-crystal units for radio communication, instrumentation, control, and detection purposes was responsible for new investigations to improve all phases of piezoelectric units and devices. A small part of the total work included development of circuit arrangements and instruments for accurately measuring the electrical constants of crystal units. This paper describes precision methods of high-frequency radio measurements as used successfully on quartz-crystal units and applicable to other types of units having Q's and impedance ranges up to several million or higher.

Published in:

Proceedings of the IRE  (Volume:36 ,  Issue: 9 )