摘要
基于AT89C51单片机与调频发射专用集成电路(BH1415F),采用软件与硬件相结合的方法实现设计要求。完成了键盘控制、LCD模块和调频发射模块的硬件电路设计。通过编写相应控制程序,实现键盘控制、频率设置和LCD显示发射频率等功能。该系统有结构简单,频率设置灵活等特点,可用于小范围的无线调频广播。
The design realizes the design demands to adopt software and hardware design based on single-chip AT89C51 and the specific integrated circuit BH1415F of FM transmitter. It completes a hardware circuit design of keyboard control, LCD display and FM transmitter. To compile the control codes,it realizes the functions of keyboard control ,frequency change and LCD show. The system has the characteristics of simple structure and setting frequency easily.h can be used to wireless FM broadcast in small area.
出处
《煤矿机械》
北大核心
2010年第3期246-248,共3页
Coal Mine Machinery
关键词
单片机
调频
数控
设计
microprocessor
frequency modulation
numerical control
design
