Influence of loss on the critical frequencies of ceramic resonators
Influence of loss on the critical frequencies of ceramic resonators
- Author(s): J. Kelly ; A. Ballato ; A. Safari
- DOI: 10.1049/cp:19960030
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- Author(s): J. Kelly ; A. Ballato ; A. Safari Source: 10th International Conference on European Frequency and Time, 1996 p. 118 – 122
- Conference: 10th International Conference on European Frequency and Time
- DOI: 10.1049/cp:19960030
- ISBN: 0 85296 661 X
- Location: Brighton, UK
- Conference date: 5-7 March 1996
- Format: PDF
Piezoresonators are often characterised by equivalent circuits. Loss then usually appears as an ad hoc addition to the circuit. Future stability and manufacturing reproducibility requirements dictate a more detailed understanding of the types of loss mechanisms and their disposition in equivalent networks. The effects of a lossy piezoelectric coupling coefficient, k*, on the complex resonance frequencies of a plate resonator driven in a simple thickness mode are explored.
Inspec keywords: equivalent circuits; piezoceramics; crystal resonators; dielectric losses; frequency stability
Subjects: Piezoelectric and ferroelectric devices
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