一种利用电流环的长距离串行通信的实现  

An Implementation of Long-distance Serial Communication by Using Current Loop

作　　者：肖晓波[1] 董新民[1] 

机构地区：[1]空军工程大学工程学院,西安710038

出　　处：《现代电子技术》2002年第8期12-13,17,共3页Modern Electronics Technique

摘　　要：介绍了一种利用电流环进行通信的方法 ,并设计了与 RS- 2 32 C兼容的信号发送与接收接口电路 ,克服了利用现有微机上的 RS- 2 32 C串行通信接口通信距离短的缺点 ,实现了微机之间的长距离通信。Introduces a way of communication by using current loop, and designs an interface circuit of signal sending and receiving, which could b e compatible with RS-232C It overcomes the disadvantages of now available computer serial communication interface which only has short-distance communication, and fulfils the long-distance communication between two computers

关 键 词：电流环 长距离 串行通信 光电耦合器 RS-232C 

分 类 号：TN915[电子电信—通信与信息系统]