基于双基区晶体管结构的光控振荡器  

Photo-Controlled Oscillator Based on DUBAT

作　　者：卜春雨[1] 李树荣[1] 吴静[1] 李丹[1] 

机构地区：[1]天津大学电子信息工程学院,天津300072

出　　处：《Journal of Semiconductors》2004年第9期1164-1168,共5页半导体学报（英文版）

摘　　要：采用 DUBAT(双基区晶体管 )和光电二极管构成新型无电感光控振荡器 ,并对其等效电路进行了模拟 ,分析了工作原理 .实验数据证明了该光控振荡器频率与光强成正比 ,可实现光的模数转化 .由于 DU BAT结构简单 ,与集成电路工艺兼容 ,成本低廉 。A novel photo-controlled oscillator (PCO) without inductances is constructed wi th photoelectric diode and DUBAT (dual base trasistor).Simulation based on the equivalent circuit is run and the operating mechanism is analyzed.This PCO can realize the analog-digital transformation from photo to frequency signal as it 's photo intensity and frequency signal are in direct proportion.The novel PCO is a promising option for combination of PCO with functional circuits on a singl e silicon chip because of the simplicity of the structure of DUBAT,the much chea per cost,the facility of fabrication and the compatibility of silicon technology .

关 键 词：振荡器 光电双基区晶体管 光控调频 光控振荡 光电转换 

分 类 号：TN752[电子电信—电路与系统]