ZnO环形压敏电阻器消噪特性研究及其敏感电压的控制方法

山东大学学报(工学版)

ZnO环形压敏电阻器消噪特性研究及其敏感电压的控制方法

杨志坚¹, 宿元斌², 申永和³, 马裕民⁴, 范坤泰⁵

1. 山东大学电气工程学院, 山东济南 250061;2. 山东理工大学电气学院, 山东淄博 255049;3. 淄博市电子公司, 山东淄博 255036;4. 山东大学物理与微电子学院, 山东济南 250100; 5. 山东大学信息科学与工程学院, 山东济南 250100

收稿日期:2007-05-21 修回日期:1900-01-01 出版日期:2008-02-16 发布日期:2008-02-16
通讯作者: 杨志坚

On noise elimination properties and sensitive voltage control methods of ZnO ring varistors

YANG Zhi-jian¹, SU Yuan-bin², SHEN Yong-he³, MA Yu-min⁴, FAN Kun-tai⁵

1. School of Electrical Engineering, Shandong University, Jinan 250061, China;2. School of Electrical Engineering, Shandong University of Science and Engineering, Zibo 255049, China

Received:2007-05-21 Revised:1900-01-01 Online:2008-02-16 Published:2008-02-16
Contact: YANG Zhi-jian

摘要/Abstract

摘要： 摘要：ZnO环形压敏电阻器广泛应用于消除录音机的噪声. 理论分析表明,在消除大能量噪声方面,突变型压敏电阻器优于缓变型;在消除小能量噪声时,缓变型效果更佳. 本文给出了压敏电压的具体控制方法,对普遍存在的焊后(压)降增大问题提出了解决方案. 实验结果表明,理论分析正确,控制方法简便、有效.

关键词: 压敏电阻器, 消噪, 缓变型, 压敏电压, 掺杂, 烧结

Abstract: ZnO ring varistors are widely used in noise elimination of recorders. Important conclusions achieved by analysis were that the varistors with slow changing I-V curves are better than those with break changing for the elimination of high energy noise of recorders. However, it is quite the contrary for the elimination of low energy noise. The methods and the principles of the varistors sensitive voltage control were presented. Also, solutions of the devises sensitive voltage on a larger scale after being wedded were raised. The experimental results indicate that the analysis is correct and the methods are simple and effective.

Key words: varistors, noise eliminating, slow change type, sensitive voltage, dope, sintering

中图分类号:

TN389

杨志坚,宿元斌,申永和,马裕民,范坤泰5 . ZnO环形压敏电阻器消噪特性研究及其敏感电压的控制方法[J]. 山东大学学报(工学版), 2008, 38(1): 28-31 .

YANG Zhi-jian,SU Yuan-bin,SHEN Yong-he,MA Yu-min,FAN Kun-tai5 . On noise elimination properties and sensitive voltage control methods of ZnO ring varistors[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2008, 38(1): 28-31 .

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