Transmission line model equivalent circuit for piezoelectric transducers including the effect of electrical terminal impedance

被引：7

作者：

Chubachi, N ^{[1
]}

Kim, MJ ^{[1
]}

机构：

[1] NATL FISHERIES UNIV PUSAN,DEPT PHYS,PUSAN,SOUTH KOREA

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1996年 / 35卷 / 5B期

关键词：

equivalent circuit; piezoelectric vibrator; multilayered transducer; ultrasonic; transmission line model; frequency control;

D O I：

10.1143/JJAP.35.3231

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A new transmission line model equivalent circuit for a thickness-mode piezoelectric vibrator is derived. The equivalent circuit includes an electrical impedance connected to the terminals of a piezoelectric vibrator. A bolt-clamped frequency-controllable piezoelectric transducer is analyzed by using the equivalent circuit. The changes in particle velocity distribution by varying the electrical impedance in the frequency-controllable ultrasonic transducer are measured by a noncontact method based on laser Doppler velocimetry. The changes in particle velocity distribution agree well with results calculated using the new equivalent circuit.

引用

页码：3231 / 3235

页数：5

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