目录
一、设计任务和主要技术指标
................................................................................... ..................2
二、设计方案选择
.............................................................................................................. ..........3
三、电路原理与设计
.................................................................................................. ..................3
1、MC145026 编码器...............................................................................................................................3
2、MC145027 译码器...............................................................................................................................5
3、调制电路和发射电路..........................................................................................................................6
4、接收电路和解调电路..........................................................................................................................7
5、控制和显示电路.................................................................................................................................8
四、测量结果及分析
.................................................................................................. ..................9
1. 实验过程...............................................................................................................................................9
2. 实验现象.............................................................................................................................................11
3. 调试过程.............................................................................................................................................12
五、总体电路图
.................................................................................................................... ......13
六、收获与体会
.................................................................................................................... ......13
一、设计任务和主要技术指标
设计一个八路红外遥控器电路，主要技术指标为：
1．码元速率：400bit/S
2．调制方式：幅度键控，载频 40kHz。
2 / 14
评论0