应用于数字示波器实验的多功能实验仪研制

Development of a Multifunctional Experimental Instrument Used in Digital Oscilloscope Experiments

基于传统示波器实验重知识轻技能、重理论轻应用等不足,为数字示波器实验开发一款多功能实验仪。实验仪具有心电信号测量、逻辑电平转换和RC充放电三个单元。开发工作按照采集需求、设计方案、电路仿真验证方案可行性、样机组装和样机调试的技术路线实施。样机测试结果表明,各项技术指标均达成了设计目标。该实验仪为数字示波器实战技能训练提供应用场景,能够满足电子电气类专业不同层次学生的学习需求。期待在激发学生兴趣、培养学生测量电信号技能和学以致用的意识方面发挥积极作用。

Based on the shortcomings of traditional oscilloscope experiments such as focusing on knowledge but not skills,and theory but not application,a multifunctional experimental instrument was developed for digital oscilloscope experiments.The experimental instrument has three units of ECG signal measurement,logic level conversion and RC charge and discharge.The development work is implemented in accordance with the technical route of request collection,design schemes,circuit simulation verification scheme feasibility,prototype assembly and prototype debugging.The prototype test results show that all technical indicators have reached the design goals.This experimental instrument provides application scenarios for practical skills training of digital oscilloscopes,and can meet the learning needs of students of different levels in electrical and electronic majors.Look forward to playing an active role in stimulating students’interest,cultivating students’electrical signal measurement skills and the awareness of applying what they have learned.