| 论斩波放大器的稳定性 |
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| 引用本文： | 孙定浩.论斩波放大器的稳定性[J].宇航学报,1987(2). |
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| 作者姓名： | 孙定浩 |
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| 作者单位： | 北京控制工程研究所 |
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| 摘 要： | 为了研究斩波放大器的稳定性问题,首先对解调器的稳态特性作全面分析,然后研究放大器整体的持续运行特征,发现可以构成两个不同的“持续工作点”。信号以不同方式输入可使放大器运行在不同的持续工作点上,从而揭示斩波放大器的不稳定性。根据这些结果,最后给出稳定性判据和消除不稳的方法。
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| 关 键 词： | 斩波放大器 稳定性 解调器 非线性分析 稳定性判据 |
ON THE STABILITY OF THE CHOPPER AMPLIFIER |
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| Sun Dinghao.ON THE STABILITY OF THE CHOPPER AMPLIFIER[J].Journal of Astronautics,1987(2). |
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| Authors: | Sun Dinghao |
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| Institution: | Beijing Institute of Control Engineering |
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| Abstract: | The stability problem of the chopper amplifier is proposed and studied in this paper. The static characteristic of the demodulator is first analysed totally, and then the continuative operating characteristic of the whole of the amplifier is studied. Two different "Continuative Operating Points" are found out. Subsequently, it is showed that the amplifier can be made operated at different points when the signal to the amplifier is inputted in different forms, and thus the instability of the chopper amplifier is discovered. According to these results, the criterion of the stability and the methods of eliminating the instability are given finally. |
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| Keywords: | Chopper amplifier Stability Demodulator Nonlinear analysis Stability criteria |
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