利用CMOS锁相环芯片实现ASK信号调制与解调

STUDY ON ASK MODULATION AND DEMODULATION USING CMOS PHASE LOCKED—LOOP CHIP

介绍了一种利用CMOS锁相环芯片CD4046实现ASK信号调制与解调的方法，将这种方法应用列车广播线的载波传输中．通过实践证明，该方法效果良好．

A method of ASK modulation and demodulation using CMOS phase locked—loop chip CD4046 is introduced in this paper．Through actual application，it is proved that it is high performance and simple in design,