《高频电子线路》课程设计说明书
目 录
摘 要........................................................................................................................................................................I
Abstract...................................................................................................................................................................II
绪论.........................................................................................................................................................................1
1 调幅发射机的基本原理......................................................................................................................................2
1.1 调频发射机的基本组成...........................................................................................................................2
1.2 调频发射系统分析...................................................................................................................................2
2 调幅发射机系统各单元电路的分析..................................................................................................................3
2.1 主振器.......................................................................................................................................................3
2.2 缓冲级.......................................................................................................................................................3
2.3 高频放大器...............................................................................................................................................3
2.4 振幅调制器...............................................................................................................................................3
2.5 功率放大器...............................................................................................................................................4
3 模块电路分析......................................................................................................................................................4
3.1 调制信号发生电路...................................................................................................................................4
3.2 高频载波发生器电路...............................................................................................................................4
3.3 乘法器电路...............................................................................................................................................5
3.4 调制信号的实现.......................................................................................................................................6
4 电路的仿真电路图及仿真结果..........................................................................................................................7
4.1 仿真电路图...............................................................................................................................................7
4.2 仿真已调信号结果图..............................................................................................................................8
5 高频电路的调试................................................................................................................................................10
6 心得与体会........................................................................................................................................................11
参考文献...............................................................................................................................................................12
附录Ⅰ元件清单...................................................................................................................................................13
附录II 总电路图...................................................................................................................................................15
