A. Puttmer et al., SPICE MODEL FOR LOSSY PIEZOCERAMIC TRANSDUCERS, IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 44(1), 1997, pp. 60-66
A transmission line equivalent circuit for piezoelectric transducers h
as been modified to provide modeling of lossy piezoceramic transducers
. A lossy transmission line is used to model the mechanical losses. Th
e equivalent circuit parameters are derived from analogies between ele
ctrical transmission lines and acoustic wave propagation. Implementati
on 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.