直接调制光发射机原理与故障分析  

Dir-Modulation Optical Transmitter Theory and Failure Analysis

作　　者：王少刚[1] 陈国仁 

机构地区：[1]浙江传媒学院,浙江杭州310018 [2]深圳威利康宽频技术有限公司,广东深圳518029

出　　处：《中国有线电视》2006年第8期747-753,共7页China Digital Cable TV

摘　　要：光发射机按照调制方式划分为调幅、调频和数字调制等多种光发射机,但目前用的最多的是多路调幅光发射机。按照强度调制的方式不同,多路调幅光发射机又可分为直接调制光发射机和外调制光发射机两种。以DFB直接调制光发射机为原型,对光发射机的电路原理与常见故障进行了分析和探讨,并提出了解决方案。There are many kinds of optical transmitter, amplitude modulation, frequency modulation, digital modulation and so on according to the way of modulation mode. But at present the route amplitude modulation is widely used. According to the different way of modulation mode, muhi-route amplitude modulation has two kinds including dir-modulation optical transmitter and outer modulation optical transmitter. It is based on the prototype of DFB dir-modulation optical transmitter in the text. Analyze and discuss about the main circuit theory and frequent failure of optical transmitter, offer the solved project.

关 键 词：直接调制 光发射机 DFB激光器 光功率 

分 类 号：TN948.53[电子电信—信号与信息处理]