CCD视频信号的预处理电路设计与仿真  

Design and Simulation of CCD Video Signal Preprocessing Circuit

作　　者：李刚[1] 周彦平[2] 

机构地区：[1]黑龙江日报印务中心,黑龙江哈尔滨150060 [2]哈尔滨工业大学,黑龙江哈尔滨150060

出　　处：《光电技术应用》2007年第2期44-48,共5页Electro-Optic Technology Application

摘　　要：分析了CCD图像传感器件视频信号的读出过程和信号特点,针对信号特点,设计了CCD视频信号直流分量的去除、低通滤波放大及复位噪声消除等预处理电路,实现了CCD输出信号由混有噪声的微弱光感生电压向标准信号电压的转换,利用EDA软件protel99 se进行仿真测试,获得了满意的结果.The output process of CCD video signal and its characteristics are analyzed at first, according to these characteristics, the DC component elimination circuit, low pass filter and readout noise disposal circuit of CCD signal are designed. The conversion of faint video signal into standard voltage signal is realized, The simulation results of circuits are also presented using EDA software prote199 se,

关 键 词：CCD信号输出 预处理电路 相关双取样 CDS电路 

分 类 号：TN911.74[电子电信—通信与信息系统]