| 对二阶压控电压源LPF两个问题的探讨 |
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| 引用本文： | 李永安. 对二阶压控电压源LPF两个问题的探讨[J]. 惠州学院学报, 1997, 17(4): 74-76. DOI: |
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| 作者姓名： | 李永安 |
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| 作者单位： | 咸阳师专物理系 |
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| 摘 要： | 本文证明了二阶压控电压源LPF中压控电压源的放大倍数A(up)＜3，给出了通带截止频率f_p人与特征频率f_0的一般关系式，从而解决了教材未明确指出的问题。
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| 关 键 词： | 正反馈 负反馈 线性区 特征频率 通带截止频率 |
Discussion of Two Problems of Voltage Control Source Low Pass Filter 2 |
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| Li Yongan. Discussion of Two Problems of Voltage Control Source Low Pass Filter 2[J]. Journal of Huizhou University, 1997, 17(4): 74-76. DOI: |
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| Authors: | Li Yongan |
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| Abstract: | The voltage amplification ratio which is smaller than 3 is proved about voltage control source Low Pass Filter 2 and general relationship between cut-off frequency and characteristic freqency of freqency band is presented and there by the problem which is not clear in textbook is resolved. |
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| Keywords: | positive feedback negative feedband linear region characteristic frequency cutoff frequency |
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