调幅接收机实验项目的设计与实践  

Design and Practice of the Experimental Project of Amplitude Modulation Receiver

作　　者：侯长波[1] 余文鑫 张宗昱 张朝柱[1] 司伟建[1] HOU Changbo;YU Wenxin;ZHANG Zongyu;ZHANG Chaozhu;SI Weijian(College of Information and Communication Engineering,Harbin Engineering University,Harbin 150001,China)

机构地区：[1]哈尔滨工程大学信息与通信工程学院

出　　处：《实验科学与技术》2019年第6期16-21,共6页Experiment Science and Technology

基　　金：教育部产学合作协同育人项目(201701008019);教育部产学合作协同育人项目(2017008028);哈尔滨工程大学2016本科教学改革研究重点项目(JG2016BZD19);哈尔滨工程大学2016研究生教改项目

摘　　要：通信电子电路综合实验对提高学生的通信系统设计和实践能力起着重要作用,实验项目的质量和实验效果紧密相关。该文提出了一个调幅接收机综合设计型实验,内容包括低噪放大电路、混频器电路、中频滤波放大电路、包络检波解调电路等。根据实验指标要求,通过理论分析和计算,设计电路参数,实测和分析了各项技术指标。从选题的提出到理论设计、实际调试,全面地展示了实验项目研究的方法,可为其他高校开设电子电路综合实验提供一定的借鉴。The comprehensive experiment of communication electronic circuits plays an important role in improving students’communication system design and practical ability.The quality of experimental projects is closely related to the experimental results.In this paper,an integrated design experiment of AM receiver is proposed,including low noise amplifier circuit,mixer circuit,IF filter amplifier circuit and envelope detection demodulation circuit.According to the requirements of experimental indicators,through theo⁃retical analysis and calculation,circuit parameters are designed,and various technical indicators are measured and analyzed.From the proposal of the topic to the theoretical design and actual debugging,the method of experimental project research is comprehensive⁃ly displayed,which can provide some reference for other universities to open electronic circuit comprehensive experiments.

关 键 词：通信电子线路 课程设计 调幅接收机 高频 

分 类 号：TN722[电子电信—电路与系统]