摘要
对有线电视网络中光发射设备波长稳定的重要性作出论述,并根据激光器波长与温度的关系,提出了波长微调与精确控制的方法。推荐Linear公司的LTC1923作为激光器温度控制的主电路,有效地解决了这一问题,同时较为详细地描述了这一电路的工作原理。
This article mainly talks about the importance of the stability of wavelength in optical transmission equipments in cable TV network. Based on the relationship of the laser wavelength and temperature, it further puts forward the method of micro-adjustment and precise control. The article recommends the LTC1923 of Linear Company as the main circuit for the control of laser temperature, which effectively solves the problem. Meanwhile, the article describes the working principle of this circuit in detail.
出处
《中国有线电视》
2010年第4期470-472,共3页
China Digital Cable TV