摘要
推导出光调制度与光发射机输入电平的关系算式、激励电平与激光器偏置电流和单频道调制度的关系算式,分析系统频道数变化对调制度恒定型光发射机激励电平的影响规律,同时分析常见光发射机标称输入电平的标示方式、结构特点和具体应用调试方法。
The paper carried out the reasoning of the formula which implies the relationship between optical modulation depth and the input level of a optical transmitter and the formula implied between single channel modulation depth and bestir level ＆ bias current.And it also analyzed the rule that how the number of channels affects the bestir level of a modulation depth constant optical transmitter.Then this paper discussed the structure features,the application methods,tuning skills and denoting conventions of the rated input level on a common laser transmitter.
出处
《中国有线电视》
2008年第7期683-686,共4页
China Digital Cable TV
关键词
光调制度
激励电平
输入电平
偏置电流
optical modulation depth
bestir level
input level
bias current
