多端口过压安全保护电路设计与研究  

Design of over Voltage Signal Safety Protection Circuit based on Multiple Ports

作　　者：李春飞[1] 张勇[1] 赵述涛[1] 

机构地区：[1]北京航空航天大学仪器科学与光电工程学院,北京100191

出　　处：《信息安全与技术》2011年第12期17-20,共4页

摘　　要：本文以三极管、二极管及电阻电容等元件,设计了一种计算机测试系统多端口信号安全保护电路。安全保护电路对系统单端输入和双端输入差分信号均可以实现过压保护功能。电路构思新颖,设计简捷,可移植性强,可应用于计算机系统多种信号安全保护电路中。Using transistors, diodes, resistors, capacitors other components, this paper design a computer test system signal safety protection circuit with multi-port. Based on the single input and differential input signals detection, the safety protection circuit can all realize the function of overvoltage protection, Because the advantages of novel design, simple design and strong portability, it can be used in a variety of signal safety protection circuit in computer test system.

关 键 词：计算机测试系统 差分输入信号 可移植性 

分 类 号：TP332.302[自动化与计算机技术—计算机系统结构]