| 一种高增益的轨至轨运算放大器的设计与仿真 |
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| 引用本文： | 夏政伟,陈素华. 一种高增益的轨至轨运算放大器的设计与仿真[J]. 许昌师专学报, 2011, 0(2): 28-31 |
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| 作者姓名： | 夏政伟 陈素华 |
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| 作者单位： | 许吕学院电气信息工程学院,河南许昌461000 |
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| 摘 要： | 采用了＂4I/I原理＂,基于0.25 um CMOS工艺,设计了一种高增益、恒跨导的输入输出轨至轨运算放大器.并讨论了该运算放大器的性能、原理及设计方法.仿真结果表明,该放大器适于较低工作电压,可作为模拟IP核电路.
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| 关 键 词： | 轨至轨 运算放大器 恒跨导 4I/I原理 COMS |
Design and Simulation of A High Cain Rail-to-Rail Operational Amplifier |
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| XIA Zheng-wei,CHEN Su-hua. Design and Simulation of A High Cain Rail-to-Rail Operational Amplifier[J]. Journal of Xuchang Teachers College(Social Science Edition), 2011, 0(2): 28-31 |
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| Authors: | XIA Zheng-wei CHEN Su-hua |
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| Affiliation: | (College of Electrical ＆ Information Engineering,Xuchang University,Xuchang 461000,China) |
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| Abstract: | Based on 0.25 um CMOS technology,input/output rail-to-rail operational amplifier is designed with constant-gm and high dc-gain.＂4I / I principle＂ is adopted in the circuit design,and the performance of operational amplifiers,principles and design methods are discussed.The circuit can be used as analog IP nuclear circuit and suitable for low voltage applications. |
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| Keywords: | rail-to-rail operational amplifier constant-gm 4I/I principle CMOS |
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