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大小:185.50 KB
页数:19页
时间:2018-07-15
《超外差式收音机课程设计》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、超外差式收音机课程设计院系:信息工程学院专业:电子信息工程班级:姓名:学号:院长:指导老师:实验地点:实验时间:18目录.....................................................................1概述.....................................................................3第一章、课程设计内容................................................
2、....71.1设计题目.............................................................71.2设计目的.............................................................71.3设计要求.............................................................71.4电子元器件........................................
3、...................7第二章、超外差式调幅收音机的原理及电路图.................................92.1超外差式调幅收音机电路原理图..........................................92.2超外差式调幅收音机的工作原理分析......................................92.2.1输入调谐电路.......................................................92
4、.2.2变频电路...........................................................92.2.3中频放大电路......................................................102.2.4检波和自动增益控制电路............................................102.2.5前置低放电路....................................................
5、..102.2.6功率放大器(OTL电路)...............................................11第三章、超外差式调幅收音机的设计.........................................123.1元器件的安装........................................................123.1.1安装工艺具体要求...................................................
6、123.2电路板的焊接.........................................................123.2.1焊接注意事项......................................................123.2.2焊接方法..........................................................133.2.3焊接时容易发生的错误.......................................
7、.......13第四章、单元模块的调试调及试听...........................................144.1超外差式收音机的调试.................................................144.1.1调整各级晶体三极管的静态工作点....................................144.1.2调整中频频率......................................................144.
8、1.3调整频率范围......................................................144.1.4跟踪统调..........................................................154.2试听.........................................
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