本系统设计是采用飞利溥公司推出的一款高度整合的家庭自动化专用电源调制解调芯片TDA5051A，通过电路信号收发系统送到电力网传输的典型应用电路系统。-The system design is the use of fly-li-po company launched a highly integrated dedicated power supply of the home automation modem chip TDA5051A, send and receive signals through the circuit to the power grid system, transmission system, a typical application circuit.