超外差式收音机原理及安装调试(全版定稿).docx

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1、超外差收音机原理安装与调试实验指导书目录1.无线电广播和接收概述..................................................................................................................41.1无线电广播.................................................................................................................................41.2电

2、磁波的发射和接收..................................................................................................................41.3振幅调制（AmplitudeModulation）.......................................................................................51.4频率调制（FrequencyModulation）......................

3、.................................................................62收音机基本原理.............................................................................................................................72.1最简收音机原理...............................................................................

4、...........................................72.2超外差式收音机基本原理..........................................................................................................82.3超外差式调幅收音机基本组成..................................................................................................92.3.1输入回路

5、.................................................................................................................................102.3.2变频电路.................................................................................................................................102.3.3中频放大及检波电路....

6、.........................................................................................................112.3.4自动增益控制电路（AGC）.................................................................................................112.3.5音频功率放大电路组成..................................................

7、.......................................................122.3.6六管超外差式调幅收音机的整机电路..................................................................................123中夏牌S66D(E)型收音机的安装与焊接...................................................................................