基于单片机的多路双工无线呼叫系统  

The Multichannel duplex wireless ringing system which Based on minicomputer

作　　者：徐丽香[1] 陈榕福[1] 吴忠仁[1] 蔡志泉[1] 

机构地区：[1]广东机电职业技术学院

出　　处：《微计算机信息》2007年第04Z期126-128,145,共3页Control & Automation

摘　　要：本文主要研制一种基于单片机的多路双工无线呼叫系统。该系统利用LM567进行编译码,利用单片机实现多路选择,进行调频后进行发射,CXA1191对信号进行接收,从而实现多路双工无线呼叫。该系统工作稳定,利用不同的发射频率可实现频分复用,可方便应用于小区管理。同时,略加改造可实现短信传送、广播等功能。　This paper introduces a kind of multichannel duplex wireless ringing system which basic on minicomputer. This system use LM567 to carry on coding ＆ decoding,uses the minicomputer to realizate multichannel choice,transmits the frequency-modulated signal,uses CXA1191 as link. This system works stably,uses the different transmitting frequency can carry on using divided frequency,applies to the plot management. At the same time,slightly transforms may realize short note transmission and broadcast.

关 键 词：双工无线 多路选择 编译码 发射 接收 

分 类 号：TP2[自动化与计算机技术—检测技术与自动化装置]