摘要
介绍一种用于有线电视传输网中的自动定时备用电源，分析了它的设计特点及电路工作原理．
This paper presents an automatic timing emergency power supply used to wired television transmission network, analyses its character in design and circult principle.
出处
《湖南师范大学自然科学学报》
CAS
1995年第4期22-25,30,共5页
Journal of Natural Science of Hunan Normal University
