| 一种输入阻抗高达10~(12)欧姆的运算放大器的研究与应用 |
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| 引用本文： | 张汶治.一种输入阻抗高达10~(12)欧姆的运算放大器的研究与应用[J].福州大学学报(自然科学版),1990(1):29-32. |
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| 作者姓名： | 张汶治 |
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| 作者单位： | 福州大学物理系 |
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| 摘 要： | 本文介绍一种组合式输入阻抗高达１０１２欧姆的运算放大器，文中是应用场效应晶体管（ＪＦＥＴ）做前置放大器．由这种放大器构成的运算电路．可以构成各种精细物理量的测量电路．
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| 关 键 词： | 高输入阻抗放大器 运算电路 |
Development and Application of Operational Amplifier with High Input Impedance Field Effect Transistor as Preamplifier |
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| Zhang Menzhi.Development and Application of Operational Amplifier with High Input Impedance Field Effect Transistor as Preamplifier[J].Journal of Fuzhou University(Natural Science Edition),1990(1):29-32. |
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| Authors: | Zhang Menzhi |
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| Institution: | Department or Physics |
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| Abstract: | This paper introduces a high input impedance operational amplifier which consist of a preamplifier with a field effect transistor and current mode operational amplifier. The measuring equipment for various physical values can be composed by this kind of amplifier. |
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| Keywords: | high input impedance amplifier operational circuits |
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