Trapped energy resonator for oscillator and multiple...

Details Trapped energy resonator for oscillator and multiple... Trapped energy resonator for oscillator and multiple...

H - Electricity

01

L

333/89

H01L 41/04 (2006.01) H03B 5/32 (2006.01) H03H 9/17 (2006.01) H03H 9/56 (2006.01)

Patent

CA 1203860

ABSTRACT A trapped energy piezoelectric resonator for oscillator and multiple resonator applications has a piezoelectric sub- strate with electrodes disposed on each of its major surfaces. These electrodes are further comprised of a plurality of electrically interconnected and acoustically coupled sub- electrodes. The resonant frequency of these resonators may be controlled by varying the separation and, therefore, the acoustic coupling between the sub-electrodes. This resonator may be used in the feedback loop of an oscillator circuit as the frequency determining element. It may also be used to provide a resonator on a substrate carrying resonators of significantly different frequency.

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