光纤CATV系统光电接收器的研究  

Study on photo-detector for fiber optic CATV system

作　　者：段吉海[1] 沈述明[1] 田克纯[1] 

机构地区：[1]桂林电子工业学院,广西桂林541004

出　　处：《电视技术》2001年第12期45-46,49,共3页Video Engineering

摘　　要：综合考虑高速光电探测器的频率特性以及宽带功率放大和匹配,并采用直接管芯贴装技术的高度集成封装的陶瓷基片厚膜电路以及国际标准化模块式结构,使研制的光电接收器带宽可达860MHz,频响平坦度达0.75dB,增益达11dB,具有较高的热稳定性。The property of frequency for a high-speed photo-detector has been taken into consideration.And a power-amplifier has been studied for wide frequency rang and match.By means of sticking transistor-dies to a porcelain base tab directly,a thick film circuit can been designed accurately.The receiver has a modular struc-ture which fits the international standard.As a result,some property below has been in possession of this photo-electronic receiver.Namely,the frequency band up to860MHz ,the frequency response up to±0.75dB,the gain up to11dB.Moreover,it has high heat-stability.

关 键 词：有线电视系统 光探测器 直接管芯贴装 光电接收器 光纤 

分 类 号：TN943.6[电子电信—信号与信息处理]