| 引入电流负反馈后电路输出阻抗变化的测试难点及解决方案 |
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| 引用本文： | 许树玲,戴岩伟. 引入电流负反馈后电路输出阻抗变化的测试难点及解决方案[J]. 大学物理实验, 2009, 22(2): 62-63,72 |
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| 作者姓名： | 许树玲 戴岩伟 |
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| 作者单位： | 安阳师范学院,安阳,45000;安阳师范学院,安阳,45000 |
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| 摘 要： | 引入电流负反馈会使放大电路的输出电阻变大,这种变化在实验测量时几乎没有出现。我们在分析原因后,提出了一种简单、易行的解决方案,并且对电路参数进行了合理化设计,使实验效果非常理想。
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| 关 键 词： | 电流负反馈 放大器输出阻抗 阻流圈 |
DIFFICULT AND SOLUTION OF THE OUTPUT RESISTANCE TESTING ON CURRENT NEGATIVE FEEDBACK AMPLIFIER |
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| Xu Shuling,Dai Yanwei. DIFFICULT AND SOLUTION OF THE OUTPUT RESISTANCE TESTING ON CURRENT NEGATIVE FEEDBACK AMPLIFIER[J]. Physical Experiment of College, 2009, 22(2): 62-63,72 |
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| Authors: | Xu Shuling Dai Yanwei |
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| Affiliation: | Anyang Normal University;Anyang;455000 |
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| Abstract: | The current negative feedback will change the output resistance of an amplifier,this change in the experiment almost not been seen.We analyzed the reasons and improved the circuit and so that the experiment was very satisfactory results. |
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| Keywords: | current negative feedback amplifier output resistance inductance coil |
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