APPARATUSES AND METHODS INVOLVING SUPPRESSION OF SPURIOUS MODES IN RESONATOR-BASED CIRCUITS
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United States of America Patent
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Issued Date -
Oct 17, 2024
app pub date -
Apr 10, 2024
filing date -
Apr 10, 2024
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Abstract
In certain examples, methods and apparatus are directed to a resonator-based circuit which, in operation, has an electrically-conductive band (“band”) at least partially surrounding a center electrode which includes the piezoelectric material of the circuit's resonator. In particular examples, the band acts to electrically load vibrations near resonance and consequently, spurious mode suppression is realized. In more particular example embodiments, the band maintains TE mode while eliminating lateral spurious tones, and in one application-specific example, the resonator-based circuitry and the electrical-conductive band are to provide of facilitate piezoelectric power conversion.
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