用于模拟屏显示的光控电源的设计  

Design of Photo-controlled Supply Power for Analogue Screen Display

作　　者：侯承贵[1] 陈学东[1] 王风先 

机构地区：[1]河北大学电子与信息工程系

出　　处：《河北大学学报（自然科学版）》1993年第4期66-70,共5页Journal of Hebei University(Natural Science Edition)

摘　　要：本文讨论一种能随室内背景亮度变化而自动调节输出电压的稳压电源,将该电源用于各类发光二极管显示的场合时,可使发光管的亮度随室内亮度变化而同步变化。This paper discuss a stability supply power, whose voltage output can automatically adjust by background brightness in room .When it is used in various occasions of the LED display , the supply power can make the brightness of the LED synchronously change with the changing of the brightness in room.

关 键 词：模拟屏 发光二极管 光控电源 

分 类 号：TN873[电子电信—信息与通信工程]