变容二极管调频电路实验的创新与改进  

Varactor innovation and improvement of frequency modulation circuit experiment

作　　者：杨光义[1] 王雪迪[1] 金伟正[1] 王晓艳[1] 

机构地区：[1]武汉大学电子信息学院,湖北武汉430072

出　　处：《实验技术与管理》2015年第7期41-45,共5页Experimental Technology and Management

基　　金：武汉大学专业实验室建设项目(610405115)

摘　　要：以变容二极管调频实验为核心,将LC振荡、晶体振荡、倍频和选频等实验巧妙组合,设计了一套综合振荡和倍频的变容二极管调频倍频实验电路。该实验电路涉及的实验内容丰富,综合性强,学生可以通过实验全面理解和掌握相关知识。教学实践表明,该实验效果良好,适合在高等院校推广应用。This paper takes the FM experiment with varactor as the core,connects the LC oscillator,crystal oscillator,frequency multiplication and frequency selection and other experiments,and designs a comprehensive set of harmonic oscillations and varactors FM and multiplication experimental circuit.Because of the experimental circuit involving rich and comprehensive experiments,students can fully understand and master the knowledge according to the experiment.The practice shows that the experiment works well,and is suitable for application in colleges and universities.

关 键 词：变容二极管 调频电路 倍频 选频 

分 类 号：TN761.2[电子电信—电路与系统] G642.423[文化科学—高等教育学]