Research on Performance of Interdigitated Electrodes Piezoelectric Oscillator

被引：0

作者：

Liu, Yonggang ^{[1
]}

Li, Jishun ^{[1
]}

Ma, Wei ^{[1
]}

Shen, Xing ^{[2
]}

机构：

[1] Henan Univ Sci & Technol, Henan Key Lab Machinery Design & Transmiss Syst, Luoyang 471003, Henan, Peoples R China

[2] Nanjing Univ Aeronaut & Astronaut, Aeronaut Key Lab Smart Mat & Struct, Nanjing 210016, Peoples R China

来源：

CEIS 2011 | 2011年 / 15卷

基金：

中国国家自然科学基金;

关键词：

Piezoelectric; Oscillator; Temperature Stability; Impedance; Resonance frequency;

D O I：

10.1016/j.proeng.2011.08.197

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A new type of oscillator is presented in paper which integrates the interdigitated electrode (IDE) into conventional piezoceramic oscillator. Some IDE piezoelectric oscillators are prepared from PZT-5 with length=56mm, width=15mm and thickness=1mm. The dimensions of IDE are 0.75 mm space and 0.5 mm. The conventional piezoelectric oscillators are also prepared with the same material and dimensions for comparison. The HP4294A High-frequency Impedance Analyzer and DU-20 Temperature-controlled Oil Bath are applied to explore the impedance of oscillator. The effect of temperature on the frequency of oscillator is researched. The results show that IDE piezoelectric oscillators have more resonant frequencies including overtone frequency and anti-resonance frequency. The resonant frequency of oscillators decreases as the temperature increase. The temperature coefficient of resonance frequency of conventional piezoelectric oscillators is -14%. The temperature coefficient of resonance frequency of IDE piezoelectric oscillators is -21%. The temperature stability of conventional piezoelectric oscillators is a little high. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of [CEIS 2011]

引用

页数：5

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