| 微弱光信号检测电路的设计和噪声分析 |
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| 引用本文： | 王蒙,刘嘉,闵力. 微弱光信号检测电路的设计和噪声分析[J]. 国外电子元器件, 2014, 0(10): 134-136 |
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| 作者姓名： | 王蒙 刘嘉 闵力 |
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| 作者单位： | 山东省科学院激光研究所,山东济南250014 |
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| 基金项目： | 基金项目：山东省中青年科学家科研奖励基金（ZR2012FQ002） |
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| 摘 要： | 针对光信号检测电路对微弱光信号放大所带来的带宽和信噪比的问题,设计了一种微弱光信号检测电路。通过动态补偿的方法,在保证低噪声的同时使电路拥有良好的响应度。并通过电路的波特图形分析了电路的噪声,给出了减小电路噪声的方法。该电路主要用于检测快速变化的微弱光信号。
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| 关 键 词： | 微弱信号 光电检测 动态补偿 噪声分析 |
Design of photoelectric detection circuit for weak signal and noise analysis |
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| WANG Meng,LIU Jia,MIN Li. Design of photoelectric detection circuit for weak signal and noise analysis[J]. International Electronic Elements, 2014, 0(10): 134-136 |
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| Authors: | WANG Meng LIU Jia MIN Li |
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| Affiliation: | (Laser Institute, Shandong Academy of Science, Ji ＇ nan 250014, China) |
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| Abstract: | According to the problem of the photoelectric conversion circuit caused by the weak signal amplication bandwidth and signal noise ratio, low noise photoelectric detection circuit is designed.by the method of dynamic compensation, the circuit has good response and low noise. A method is given to reduce the noise of the circuit by analyzing the bode diagram of amplifier circuit.The circuit is fit for detecting fleetness change and faint light signal. |
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| Keywords: | weak signal photoelectric detection dynamic compensation noise analysis |
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