数据通讯专用电源的设计  

Design of Special-Purpose Power Supply for Data Communication

作　　者：王磊[1] 曲万春[2] 匡东权[2] 王永臣[2] 

机构地区：[1]沈阳铁路机械学校,辽宁沈阳110035 [2]沈阳工业学院

出　　处：《沈阳工业学院学报》2003年第2期40-42,共3页Journal of Shenyang Institute of Technology

摘　　要：给出新颖数据通讯专用电源控制电路的组成 ,阐明了它的工作原理和特点 .该装置选用电子开关和可电擦除、可编程只读存储器EEPROM ,采取了隔离等抗干扰措施 ,工作可靠 ,使用方便 。A new type of circuit of power supply for remote data communication is presented in this paper. Its principle and characteristics are stated in detail. Electronic switch and EEPROM which can be erasable and programmable are used to match its high peroformance/price ratio and flexibility, and various anti interference measures are taken to warrant its reliability.

关 键 词：数据通讯专用电源 控制电路 工作原理 电子开关 只读存储器 DTMF信号译码电路 应答电路 电源开关电路 公用电话网 

分 类 号：TN916.2[电子电信—通信与信息系统] TM910.2[电子电信—信息与通信工程]