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Face-mounted piezoelectric resonators

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1 Author(s)
Newell, W.E. ; Westinghouse Research Labs., Pittsburgh, Pa.

This paper presents a new approach to the problem of mounting moderate Q thickness mode piezoelectric resonators based on the impedance transforming properties of quarter-wavelength transmission lines. The resulting sandwich structure has been demonstrated in the range 2-7 Mc/s, and a computer analysis of the tolerance sensitivities of the center frequency and Q has been conducted. This type of resonator appears particularly promising as a tuner for high frequency integrated circuits. The problems which must yet be solved in order to implement these tuners in thin film form are described.

Published in:

Proceedings of the IEEE  (Volume:53 ,  Issue: 6 )