文件名称:dangonghujiao
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设计并制作一个发射频率在30MHz~40MHz之间自行选择，发射峰值功率不大于20mW(50 假负载电阻上测定)的主站来传送一路语音信号，射频信号带宽及调制方式自定-Design and production of a transmitter frequency 30MHz ~ 40MHz to choose between the emission peak power less than 20mW (50 false load resistance on the determination of) all the way to the main station to transmit voice signals, the RF signal bandwidth and modulation Custom
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单工无线呼叫系统11.doc