摘要
本文设计了无线话筒扩音系统,主要由音频输入模块、频率控制模块、调频发送模块、调频接收模块和3V转5V升压模块组成,其中音频信号输入后,通过载波频率控制模块调节载波频率,经调频发送模块发送调频波,接收模块接收信号后鉴频,经功率放大后用喇叭输出原音频信号,实现了无线话筒扩音系统的基本功能,完成了硬件设计、电路板制作和电路调试过程,满足了设计的基本要求。
This paper designs a wireless microphone amplification system, which is mainly composed of audio input module, frequency controlmodule, FM transmission module, FM receiver module and 3V to 5V boost module. Completes the hardware design, the circuit board production andthe circuit. The debugging process meets the basic requirements of the design.
作者
陈德军
窦智
CHEN De-jun;DOU Zhi(School of physics and electronic engineering,Fuyang Normal College,Fuyang Anhui 23603)
出处
《数字技术与应用》
2018年第8期169-169,171,共2页
Digital Technology & Application
