| 关于模拟集成运算放大器教学中的一个问题 |
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| 引用本文： | 谢可夫. 关于模拟集成运算放大器教学中的一个问题[J]. 湖南城市学院学报, 2001, 18(3): 80-81 |
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| 作者姓名： | 谢可夫 |
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| 作者单位： | 湖南师范大学理学院，湖南长沙 410081 |
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| 摘 要： | 指出在高等院校工科电气电子类模拟电子技术课程常用教材和参考书中关于模拟集成运算放大器输入失调电流I
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| 关 键 词： | 模拟集成运放；输入失调电流；平衡电阻；电子课程教学 |
| 文章编号： | 1001-876X(2001)03-0080-02 |
| 修稿时间： | 2001-02-10 |
The Problem in TeachingProcess of Integrated Operational Amplifier Circuit |
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| XIE Ke-fu. The Problem in TeachingProcess of Integrated Operational Amplifier Circuit[J]. Journal of Hunan City Univeristy, 2001, 18(3): 80-81 |
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| Authors: | XIE Ke-fu |
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| Abstract: | This article points out the difference in the definition of input offset current about analog Integrated Operational Amplifier Circuit (IOAC) in common teaching material for analog electronics. The problem being brought about for using the definition of input offset current “IIO=IBN-IBP” is that the direction of current in equivalent circuit on practice analog IOAC is not decided. The necessity of using the identical definition expressed as “IIO=IBN-IBP” is suggested. The example used to illustrate how to decide the direction of current in equivalent circuit of practice analog IOIC according to that identical definition is shown. The role of the balance resistant connected to the input port of circuit using IOAC is illustrated by means of a equivalent. |
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| Keywords: | analog integrated operational amplifier balance resistance input offset current electronics teaching |
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