| 一种LVDT信号调理电路的研究 |
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| 引用本文： | 李勇,张俊安. 一种LVDT信号调理电路的研究[J]. 微电子学, 2007, 37(3): 320-325 |
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| 作者姓名： | 李勇 张俊安 |
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| 作者单位： | 中国电子科技集团公司,第二十四研究所,重庆,400060 |
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| 摘 要： | 介绍了一种LVDT信号调理电路的工作原理及其线路设计。该电路是单片式线性位移差分变压器（LVDT）信号调理电路,与LVDT配合,能够高精确性和高再现性地将LVDT的机械位移转换成单极性或双极性的直流电压。该电路内部设计有一个驱动LVDT的低失真正弦波振荡器,电路外围线路简单,使用方便。
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| 关 键 词： | 线性位移差分变压器 信号调理电路 正弦波振荡器 |
| 文章编号： | 1004-3365（2007）03-0320-06 |
| 修稿时间： | 2007-01-082007-03-24 |
Study on LVDT Signal Conditioning Circuit |
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| LI Yong,ZHANG Jun-an. Study on LVDT Signal Conditioning Circuit[J]. Microelectronics, 2007, 37(3): 320-325 |
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| Authors: | LI Yong ZHANG Jun-an |
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| Affiliation: | Sichuan Institute of Solid State Circuits, China Eelectronics Technology Group Corporation, Chongqing 400060, P. R. China |
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| Abstract: | A monolithic signal conditioning subsystem for linear variable differential transformer(LVDT) is presented,which is used in conjunction with LVDTs to convert transducer mechanical position into a unipolar or bipolar DC voltage with high accuracy and repeatability.The circuit contains a low distortion sine wave oscillator,which drives the LVDT's primary coil.The circuit is designed to operate with a minimum of external components. |
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| Keywords: | Linear variable differential transformer Signal conditioning circuit Sine wave oscillator |
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