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| 微弱荧光信号接收器的低噪声设计 | |
| 引用本文： | 王慧锋,陈晞,张芹.微弱荧光信号接收器的低噪声设计[J].仪表技术,2007(6):3-5,8. |
| 作者姓名： | 王慧锋 陈晞 张芹 |
| 作者单位： | 1. 华东理工大学,信息科学与工程学院,上海,200237 2. 上海精密科学仪器有限公司,上海,200233 3. 上海三科仪器有限公司,上海,200030 |
| 摘 要： | 对采用光电二极管的荧光信号接收电路的工作模式和噪声进行了分析，论述了输入失调和暗电流的补偿方法，深入讨论了防泄漏措施、输入管脚的“护卫”、隔离技术和输入管脚的悬置引出技术、PCB板的清洁和隔离涂敷、屏蔽和滤波等技术。 |
| 关 键 词： | 微弱信号 荧光信号 低噪声 光电二极管 |
| 文章编号： | 1006-2394（2007）06-0003-03 |
| 修稿时间： | 2007-03 |
Low Noise Circuit's Design of the Weak Fluorescent Signal Detector |
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| WANG Hui-feng,CHEN Xi,ZHANG Qin.Low Noise Circuit''''s Design of the Weak Fluorescent Signal Detector[J].Instrumentation Technology,2007(6):3-5,8. | |
| Authors: | WANG Hui-feng CHEN Xi ZHANG Qin |
| Abstract: | The working mode and noise in fluorescent signals detecting circui2ts by using photodiode were analyzed in this paper.The compensating techniques of input offset and diode's dark current were discussed.The method for holding back leakage,the technique for guarding and insulating input pin,the technique for input pin suspending connecting,cleaning and insulating coating of PCB board,the technique for shielding and filtering were researched in detail. |
| Keywords: | weak signal fluorescent signal low noise photodiode |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |