Traditional Culture Encyclopedia - Traditional virtues - What are the main components of CATV system engineering?
What are the main components of CATV system engineering?
The main task of the front-end part of the system is to filter, convert, amplify, modulate and mix various signals sent by the signal source, so as to make them suitable for transmission in trunk transmission systems.
The main task of the trunk transmission part of the system is to transmit the high-frequency TV signals provided by the front-end part of the system to the distribution system without distortion through the transmission medium. Its transmission modes mainly include optical fiber, microwave and coaxial cable.
The task of the user distribution system is to distribute the front-end signals to thousands of households. It consists of branch amplifier, distributor, splitter, user terminal and its branch line, and Mingyuanyun purchasing user line. Hope to adopt!
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