适用于多通道SLD光源检测系统的光源驱动电路设计  

Design of driving circuit for multicenter SLD light source test system

作　　者：李广华[1] 刘军[1] 殷建玲[1] 余伟涛[1] 

机构地区：[1]军械工程学院光纤技术研究所,河北石家庄050003

出　　处：《传感器与微系统》2011年第4期90-92,共3页Transducer and Microsystem Technologies

摘　　要：针对多通道超辐射发光二极管(SLD)检测系统光源驱动的特点,以现有SLD驱动电路为基础,通过采用高精度集成运放、集成功放和一级积分器,提高恒流源、温控精度和电路抗干扰能力的同时减小了系统体积。测试表明:恒流源的稳定度达到0.02%,温度控制的精度优于0.002℃。该设计有利于多通道SLD光源检测设备的产生,对提高SLD光源驱动电路的精度和研制小型化的SLD光源驱动仪具有借鉴意义。Multicenter SLD test system which effectively improve the efficiency of testing SLD is developing.In order to improve the precision and anti-jamming capability of multicenter SLD driving circuit,the integrated amplifier and integrated power amplifier are used.The testing results indicate that the constant current can yield a current precision as high as 0.02 %,a temperature control precision achieve 0.002 ℃.The design has great significance for improving the precision of SLD driving circuit and developing smal SLD light source driving instrument.

关 键 词：光纤陀螺 超辐射发光二极管 恒流源 温度控制 

分 类 号：TP253[自动化与计算机技术—检测技术与自动化装置]