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Analysis of the noise performance of preamplifier in photoelectric transition system
Author(s): 
Pages: 178-179
Year: Issue:  5
Journal: ELECTRONIC MEASUREMENT TECHNOLOGY

Keyword:  光电转换放大器噪声;
Abstract: 本文应用微弱信号检测的方法对光电转换前置放大器的噪声性能进行分析,提出了在设计一个高性能的光电转换前置放大器时,不但要满足系统的带宽、相移和放大倍数等要求,也需要满足低噪声的要求.针对光电转换前置放大器设计中低噪化的要求,提出了对光敏元件和首级放大器元件的选择标准,并得到了放大器系统的低噪化条件,从而使得设计出的光电转换前置放大器的噪声性能最佳.
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