| 微小电容检测及报警电路的设计 |
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| 引用本文： | 刘凯.微小电容检测及报警电路的设计[J].航空计测技术,2009,29(5):20-22,25. |
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| 作者姓名： | 刘凯 |
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| 作者单位： | 渤海船舶职业学院,辽宁葫芦岛125005 |
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| 摘 要： | 设计了一种基于CAV424和AM402的微小电容检测及报警电路，该电路可以将微小的电容信号转换成4～20mA的电流输出，介绍了该电路的内部结构和工作原理，并通过实验验证了该电路的实用性。
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| 关 键 词： | 微小电容 检测 报警 CAV424 AM402 |
Design of Micro capacitance Measuring and Alarming Circuit |
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| LIU Kai.Design of Micro capacitance Measuring and Alarming Circuit[J].Aviation Metrology & Measurement Technology,2009,29(5):20-22,25. |
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| Authors: | LIU Kai |
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| Institution: | LIU Kai (Bohai Shipbuilding Vocation College, Huludao 125005, China) |
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| Abstract: | The micro-capacitance measuring and alarming circuit based on CAV424 and AM402 has been designed, the circuit changes the micro-capacitance signal into 4 - 20 mA current output. This paper introduces the circuit inner structure and working principle, and verifies the practicality of the circuit through experiments. |
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| Keywords: | CAV424 AM402 |
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