What do you know about the basic knowledge of wires and cables?

2018-08-09

There are thousands of kinds of wire and cable products, which are applied in all walks of life. They are used for two purposes, one is to transmit current, the other is to transmit signals. The main technical performance indicators of transmission current cables are conductor resistance and voltage resistance. The main technical performance indicators of transmission signal cables are transmission performance - characteristic impedance, attenuation and crosstalk. Of course, the transmission signal mainly depends on the current (electromagnetic wave) as the carrier. Now with the development of science and technology, light wave can be used as the carrier to transmit.