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dan gong wu xian hu jiao ji shu ju chuan shu xi tong de she ji yu shi xian
Author(s): 
Pages: 12-14
Year: Issue:  2
Journal: SECURITY AND SAFETY TECHNOLOGY MAGAZINE

Keyword:  AVK单片机射频发射/接收数字调制/解调;
Abstract: 本文基于ATMEGA16L单片机实现一个具有单工语音和数据传输功能的无线呼叫系统.通过编码电路、单片调频发射电路和高频功放电路实现主站的语音及数据发送;通过解码电路、调频解调和语音功放电路实现从站的语音及数据接收.编码和解码用MSK调制方式的调制解调芯片MSM6882实现;主从机的显示电路采用LCD液晶显示,输入电路则采用PS2键盘扫描.
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