An improved interpretation of Mason's model for piezoelectric plate transducers
- 1 March 1978
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Sonics and Ultrasonics
- Vol. 25 (2) , 98-103
- https://doi.org/10.1109/t-su.1978.30994
Abstract
A new interpretation of Mason¿s model (1948) for a piezoelectric plate transducer is presented. The network model emphasizes a series connection for the two acoustic loads while utilizing lumped impedance elements expressed 88 functions of the delay operator Z = exp ST. An exact analysis of the plate dynamics permits a simplifii resistive model for conditions of light asymmetry in acoustic loading. A simplified resistive structure provides transmission (reception) loss near the halfwave resonance. Air backed front loading b modeled. Finally, RLC lumped component models are provided fo1 evaluation of transducers as lumped-element filters.Keywords
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