LI Guang-hua, LIU Jun, YIN Jian-ling, et al. Design of driving circuit for multicenter SLD light source test system[J]. 2011, 30(4): 90-92. DOI: 10.13873/j.1000-97872011.04.004.
适用于多通道SLD光源检测系统的光源驱动电路设计
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。
Abstract
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.