Title: Analysis and equivalent circuit for accurate wideband calculations of the impedance for a piezoelectric transducer having loss

Journal Article · · AIP Advances
DOI: https://doi.org/10.1063/1.5118897 · OSTI ID:1610850
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  1. NewPath Research LLC, Salt Lake City, UT (United States); DOE/OSTI
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Others have analyzed the operation of piezoelectric transducers by defining two complex parameters which have the units of frequency to allow for the effects of loss. The present paper presents an analysis in which this procedure is extended to include harmonics as well as the fundamental frequency. In this extension it is seen that both positive and negative extrema in both the resistance and the conductance occur at a series of harmonics. Equivalent circuits are also presented with examples for both high-Q and low-Q materials showing agreement with these simulations.

Research Organization:
NewPath Research, LLC, Salt Lake City, UT (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC)
Grant/Contract Number:
SC0006339
OSTI ID:
1610850
Journal Information:
AIP Advances, Journal Name: AIP Advances Journal Issue: 8 Vol. 9; ISSN 2158-3226
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

References (9)

Thickness mode piezoelectric transducers journal January 1972
On the Equivalent Circuit Models of Piezoelectric Ceramics journal August 2009
Accurate evaluation of the real and imaginary material constants for a piezoelectric resonator in the radial mode journal July 1991
PdP135. Nun-iterative evaluation of the real and imaginary material constants of piezoelectric resonators journal September 1992
An accurate equivalent circuit for the unloaded piezoelectric vibrator in the thickness mode journal August 1997
On Electrically-maintained Vibrations journal December 1914
Modeling piezoelectric and piezomagnetic devices and structures via equivalent networks journal September 2001
The Piezo-Electric Resonator and Its Equivalent Network journal June 1928
Resonance in piezoelectric vibrators journal January 1970

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