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介绍一种采用锁相环(PLL)频率合成器BU2618FV和AVR单片机控制的室外调频广播用无线扩声系统,具有可选择的定时开关机和有广播信号自动开机的功能,详细介绍了锁相环集成电路BU2618FV的性能和典型应用。
A wireless sound reinforcement system for outdoor FM broadcasting controlled by phase - locked loop (PLL) frequency synthesizer BU2618FV and AVR microcontroller is introduced. It has the functions of optional timer switch and automatic signal generator with broadcast signal. The phase - locked loop The performance and typical application of integrated circuit BU2618FV.