| 四光耦线性隔离放大器原理及实验研究 |
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| 引用本文： | 姚伟鹏,陈增禄,毛惠丰,詹佩.四光耦线性隔离放大器原理及实验研究[J].西安工程科技学院学报,2006,20(6):778-782. |
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| 作者姓名： | 姚伟鹏 陈增禄 毛惠丰 詹佩 |
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| 作者单位： | 西安工程大学电子信息学院,陕西西安710048 |
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| 摘 要： | 应用普通运算放大器LF353和普通光耦TLP521设计了一种新型线性隔离放大器．介绍了设计方案及其电路结构，并分析了其工作原理．实验结果验证了本设计方案的正确性．和同类放大器比较，该隔离放大器除了在性能上和集成模拟隔离放大器相接近外，还具有电路结构简单、易于实现、造价低廉等优点．
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| 关 键 词： | 隔离放大器 光电耦合器 运算放大器 |
| 文章编号： | 1671-850X(2006)06-0778-05 |
| 修稿时间： | 2006年5月11日 |
Principle and experimental research into 4 photocoupler′s isolation amplifier |
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| YAO Wei-peng,CHEN Zeng-lu,MAO Hui-feng,ZHAN Pei.Principle and experimental research into 4 photocoupler′s isolation amplifier[J].Journal of Xi an University of Engineering Science and Technology,2006,20(6):778-782. |
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| Authors: | YAO Wei-peng CHEN Zeng-lu MAO Hui-feng ZHAN Pei |
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| Abstract: | A novel design method of linear isolated amplifier is introduced,which consists of operation amplifier LF353 and photocoupler TLP521.The structure of the proposed amplifier is given.Its principle is also analyzed.The experimental results prove that the device offers good performances.Compared with other analog integrate isolated amplifiers,the amplifier has the same characters with them.The amplifier has some advantages,such as simple structure,easy to be realized and low cost. |
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| Keywords: | isolated amplifier photocoupler operation amplifier |
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