CD模拟信号处理器LA9241M工作原理  

Working Theory of CD Analogue Signal Processor LA9241M

作　　者：郁卫华[1] 王正高[1] 

机构地区：[1]南通农业职业技术学院机电工程系,南通226007

出　　处：《南通纺织职业技术学院学报》2005年第1期9-12,17,共5页Journal of Nantong Textile Vocational Technology college

摘　　要：随着CD激光技术的发展,出现了多种CD播放器方案.文章以三光束只读光系统CD模拟信号处理器LA9241M工作原理为例,以RF信号处理电路、伺服信号处理电路为主线,对APC技术、聚焦伺服、循迹伺服、进给伺服等工作过程进行了分析说明.Various kinds of CD player programs have been made out with the development of CD laser technology. This paper takes three-laser only-read optical head CD analogue signal processor LA9241M as an example,following the clue of RF signal processing and serve signal processing,explains detailedly the working process of APC circuit,focus serve circuit,track serve circuit and skip serve circuit.

关 键 词：LA9241M RF信号处理 伺服信号处理电路 

分 类 号：TN911.71[电子电信—通信与信息系统]