| 集成运算放大器的噪声及其简化计算 |
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| 引用本文： | 毛善谷,陈杰美.集成运算放大器的噪声及其简化计算[J].中国民航学院学报,1998,16(3):11-17. |
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| 作者姓名： | 毛善谷 陈杰美 |
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| 作者单位： | 中国民航飞行学院(毛善谷)，成都电子科技大学(陈杰美) |
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| 摘 要： | 介绍了运算放大器产生的机构，运放的Ｅｎ－Ｉｎ噪声等效电路模型，在等效电路的基础上求出了运放的噪声系数及最佳噪声电阻的估算公式。
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| 关 键 词： | 噪声等效电路 噪声模型 运算放大器 噪声系数 最佳噪声电阻 |
Noise and Its Simplified Estimation in an Operational Amplifier |
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| Mao Shangu.Noise and Its Simplified Estimation in an Operational Amplifier[J].Journal of Civil Aviation University of China,1998,16(3):11-17. |
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| Authors: | Mao Shangu |
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| Abstract: | This paper presents the generation mechanism of noise in an operational amplifier and its E n - I n model noise equivalent circuit.Based on this equivalent circuit the noise performances,such as the noise coefficient and the optimal noise resistance,of an operational amplifer are calculated.This estimation is simple and helpful to engineering. |
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| Keywords: | noise equivalent circuit noise model operational amplifier noise coeffient optimal noise resistance |
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