西安邮电大学毕业设计（论文）题目：场效应晶体管参数测试仪的设计院（系）：电子工程学院专业：集成电路设计与集成系统班级：学生姓名：导师姓名：职称：起止时间：目录1引言..........................................................................................................................................12总体方案设计.........................................................................................................................23硬件电路设计.........................................................................................................................43.1输出特性曲线的测试....................................................................................................43.1.1漏极扫描电压.........................................................................................................53.1.2栅极阶梯电压.........................................................................................................73.1.3测量点及测量方式................................................................................................93.1.4输出特性曲线测试电路的整合...........................................................................103.2场效应晶体管的参数测试............................................................................................113.2.1结型场效应晶体管的夹断电压VP...........................................................................113.2.2绝缘栅型场效应晶体管的开启电压VT...................................................................163.2.3饱和漏电流IDSS.........................................................................................................173.2.4低频跨导测量方法................................................................................................173.3转移特性曲线的测试....................................................................................................183.3.1漏极稳压电源.........................................................................................................193.3.2栅极扫描电压.........................................................................................................193.3.3转移特性的测量....................................................................................................203.4保护电路设计.................................................................................................................203.4.1过流和过压保护....................................................................................................203.4.2其他保护措施.........................................................................................................223.5单片机端口的连接.........................................................................................................224软件设计与流程图.................................................................................................................234.1软件设计.........................................................................................................................234.2软件流程图.....................................................................................................................245结论..........................................................................................................................................255.1各模块的测试结果................................
