线阵CCD输出信号相关双取样处理技术探讨  

A Correlative Double Sampling Processing Technique for the Output Signal of Linear CCD's

作　　者：李映波[1] 

机构地区：[1]重庆光电技术研究所

出　　处：《半导体光电》1989年第2期70-73,共4页Semiconductor Optoelectronics

摘　　要：用通用运算放大器构成的用于线阵 CCD 输出信号处理的相关双σ取样电路,其取样速率可达250kHz。电路简单实用。本文着重讨论了有关元器件参数的选取原则,这对于设计高速双σ采样/保持电路有一定参考价值。The correlative double σ sampling circuit,which is made up of operational amplifiers and used in processing the output signal of the linear charge coupled devices(CCD's),has reached up to samphng speed of 250 kHz.This cir- cuit is simple and utility.The selected rules of relative component parameters have have been discussed emphatically.These will have reference value to design high speed double σ sampling/holding circuits.

关 键 词：信号处理 CCD 相关双取样 电路 

分 类 号：TN911.7[电子电信—通信与信息系统]