It solves the problem of modulate and demodulation of differential signal and achieve data and power signalcommunication in coaxial-cable.
该模块解决了对差分信号“调制”、“解调”问题，实现了数据和电源在同轴电缆上的同步传输。
2
First, the function and hardware components of testing device are introduced. The implementation of signalcommunication and the design of testing circuit are emphasized.
论文首先详细阐述检测装置功能与硬件组成，然后着重进行信号通讯与检测电路的设计与改进。
3
This paper introduces a way of simple place signalcommunication. The way is proved to be effective by practice. It has the high practical value at present condition of the PLC USES.