红外通信收发系统的设计与实现红外通信收发系统的设计与实现摘要, Abstract................................................1一、 引言...............................................1二、 设计目的: .........................................2三、 设计任务要求.......................................2四、 系统设计思路.......................................2五、 模块电路设计.......................................2１、 语音信号的设计方案.................................2２、 红外光发送模块的设计方案...........................3３、 红外光接收模块的设计方案...........................3４、 高通滤波器.........................................4５、 功率放大器.........................................4六、 数据测量和功能实现.................................4七、 问题分析...........................................4八、 总结...............................................4九、 所用元件及测试仪表清单.............................5摘 要:本文阐述了红外通信的基本工作原理, 完成了红外收发器具体的硬件电路设计, 而且详细说明了发射和接收的工作原理, 同时指出在设计过程中应该注意的一些问题。经过实际搭建电路, 音乐芯片 9300A 产生的乐曲, 经过调制 LED 后发出, 在一定的距离范围之内, 接收端能够接收到乐曲信号, 利用喇叭能够将乐曲信号无失真的播放出来。从而完成了整个红外通信系统的收发。关键词: 红外通信, 调制Design and Implementation of infrared communication transceiver systemAbstract:In this paper, described the basic working principle of infrared communication, completed the design of infrared transceiver’s idiographic hardware circuit, and detailed description of the working principle of transmitting and receiving, also pointed out that during the design process should pay attention to some problems. Through the actual circuit structures, music 9300A chip generated music, through modulated LED and emitted the music signal, in a certain distance range, the receiver can receive music signal, and the...
