超外差式收音机课程设计

《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....................................................71.1设计题目................

2、.............................................71.2设计目的.............................................................71.3设计要求.............................................................71.4电子元器件...........................................................7第二章、超外差式调幅收音机的原理及电路图................

3、.................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.......................................................92.2.2变频电路...........................................................92.2.3中频放大电路.....

4、.................................................102.2.4检波和自动增益控制电路............................................102.2.5前置低放电路......................................................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..........................

5、...............123.1元器件的安装........................................................123.1.1安装工艺具体要求...................................................123.2电路板的焊接.........................................................123.2.1焊接注意事项......................................................123.2

6、.2焊接方法..........................................................133.2.3焊接时容易发生的错误..............................................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...............

7、.....................144.1.2调整中频频率......................................................144.1.3调整频率范围......................................................144.1.4跟踪统调..........................................................154.2试听.........................................