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介绍了一种以AT89C52单片机为控制核心、以P300/P111电力线扩频载波通讯芯片为基础的电力线载波通讯节点的实现,阐述了系统结构及其工作原理,并指出了系统应用中应注意的问题。
This paper introduces an implementation of power line carrier communication node based on AT89C52 microcontroller and P300 / P111 power line spread spectrum carrier communication chip, explains the system structure and working principle, and points out the problems that should be paid attention to in system application .