SPICE model for lossy piezoceramic transducers

被引:75
|
作者
Puttmer, A [1 ]
Hauptmann, P [1 ]
Lucklum, R [1 ]
Krause, O [1 ]
Henning, B [1 ]
机构
[1] INST AUTOMAT & COMMUN,D-39179 BARLEBEN,GERMANY
关键词
D O I
10.1109/58.585191
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
A transmission line equivalent circuit for piezoelectric transducers has been modified to provide modeling of lossy piezoceramic transducers. A lossy transmission line is used to model the mechanical losses. The equivalent circuit parameters are derived from analogies between electrical transmission lines and acoustic wave propagation. Implementation of the equivalent circuit model in SPICE is shown. Simulations and measurements in the time and frequency domain of a low-Q material and a multilayered ultrasonic sensor using a low-Q piezoceramic transducer are presented.
引用
收藏
页码:60 / 66
页数:7
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