基于Multisim的差分放大电路实训的再研究  

Further Research on the Experiment of Differential Amplifier Circuit Based on Multisim

作　　者：董秀英 任远林[1] DONG Xiuying;REN Yuanlin(School of Intelligent Manufacturing and Automotive Anhui Business and Technology College,Hefei Anhui 231131,China)

机构地区：[1]安徽工商职业学院智能制造与汽车学院,安徽合肥231131

出　　处：《佳木斯大学学报（自然科学版）》2024年第10期157-160,共4页Journal of Jiamusi University：Natural Science Edition

基　　金：安徽省高校自然科学研究重点项目(2022AH052796,2023AH052662);安徽省优秀青年教师培育项目(YQYB2023200,YQYB2023202);安徽省高校科研项目社科类(2022AH052785);安徽省职业与成人教育学会教育教学研究规划课题(AZCJ2023117,Azcj2021072,Azcj2022008,zcj2022073);安徽省质量工程项目(2023jnds010,2023cxtd163,2023kcsz029);安徽工商职业学院自然科学研究重点项目(ZK2024A001)。

摘　　要：针对新工科高职学生要求,提出在实训前学生用Multisim软件对差分放大电路进行设计。实训中探讨差分放大电路的设计方法和其是否满足性能指标并改变差模输入信号的幅度观察差模放大输出波形和绘制差模传输特性曲线,测量差模和共模输入的静动态参数,仿真结果、理论分析和硬件电路测试结果一致。实践证明,引入Multisim软件仿真使学生在实践中进行项目驱动和探索式学习,提高了学生学习兴趣、设计电路和新工科的实践创新能力,养成了良好的职业素养。According to the requirements of new engineering and the characteristics of higher vocational students,it is proposed that students use Multisim software to design the differential amplifier circuit before training.In the training,the design method of differential amplification circuit and whether it meets the performance index are discussed,and the amplitude of differential mode input signal is changed.The output waveform of differential mode amplification is observed and the differential mode transmission characteristic curve is drawn.The static and dynamic parameters of differential mode and common mode input are measured.The simulation results,theoretical analysis and hardware circuit test results are consistent.Practice has proved that the introduction of Multisim software simulation enables students to carry out project driven and exploratory learning in practice,improves students'interest in learning,practical innovation ability in designing circuits and new engineering courses,and develops good professional quality.

关 键 词：MULTISIM仿真 差分放大 实践创新 

分 类 号：TN75[电子电信—电路与系统]