Based on these above,a LAN is desig ned by LM1893carrier-current transceiver man-ufactured by National Semiconductor based on power line carrier.

• 在这一基础上,基于这一电力线载波通信技术,利用美国国家半导体公司的LM1893电力线调制解调芯片设计出了一个基于这种技术的局域网。