| 基于AD698的半桥式电感位移传感器高灵敏度测量电路设计 |
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| 引用本文： | 陈伟,张剀,戴兴建.基于AD698的半桥式电感位移传感器高灵敏度测量电路设计[J].电子技术应用,2008,34(7). |
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| 作者姓名： | 陈伟 张剀 戴兴建 |
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| 作者单位： | 清华大学,工程物理系,北京,100084 |
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| 摘 要： | 针对主动磁轴承系统中电感位移传感器的高灵敏度设计要求,在对AD698芯片的输入输出特性进行了实验测量的基础上,对AD698的典型应用电路加以改进,提出了一种基于AD698的半桥式电感位移传感器高灵敏度测量电路设计方案。实验证明,相对于AD698的典型应用电路,这种方案能够显著地提高电路的灵敏度,并且输出电压的噪声没有明显增大。
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| 关 键 词： | AD698 电感位移传感器 灵敏度 |
Signal modulation circuit design of the half-bridge LVDT based on AD698 for high sensitivity applications |
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| CHEN Wei,ZHANG Kai,DAI Xing Jian.Signal modulation circuit design of the half-bridge LVDT based on AD698 for high sensitivity applications[J].Application of Electronic Technique,2008,34(7). |
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| Authors: | CHEN Wei ZHANG Kai DAI Xing Jian |
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| Affiliation: | CHEN Wei ZHANG Kai DAI Xing Jian (Department of Engineering Physics,Tsinghua University,Beijng 100084,China) |
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| Abstract: | According to the high sensitivity requirement of displacement measurement in active magnetic bearing applications,a new signal transducer circuit design of the half-bridge LVDT based on AD698 is studied with an investigation of the input and output properties of AD698.Experimental results show that the sensitivity of this signal transducer circuit design is much higher than that of the typical design for half-bridge LVDTs in the datesheet of AD698,and the noise of output voltage does not increase signifi- c... |
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| Keywords: | AD698 |
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