文档介绍：目录
第一章绪论...............................................................3
调频收音机概述...................................................3
对讲机概述.......................................................4
第二章系统设计总体要求.....................................5
...................................................5
课程设计题目及设计要求..........................................5
..........................................5
第三章总体方案...........................................................7
收音机接受方案...................................................7
对讲机发射方案...................................................7
第四章原理框图............................................................9
...................................................9
对讲机印刷版电路................................................9
第五章系统模块详细设计与调试...........................................10
HX1800工作原理.............................................10
........................................................11
电路原理.........................................................11
芯片概述.........................................................11
HX1800安装过程............................................12
.......................................................12
安装提示.........................................................13
芯片概述.........................................................13
第五章设计总结...........................................................15
第六章参考文献...........................................................16
第七章系统软件方案...................................................... 16
I2C接口键盘及LED驱动器原理图...........................................16
程序清单及说明..........................................................17
.............................................................. 17
实验运行结果......................................................... 21
第一章绪论
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调频收音机主要用来接收调频制广播节目。其解调过程是用鉴频器对己调频高频信号