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Telecommunication circuit (2765 views - Electrical Engineering)

A telecommunication circuit is any line, conductor, or other conduit by which information is transmitted. Originally, this was analog, and was often used by radio stations as a studio/transmitter link (STL) or remote pickup unit (RPU) for their audio, sometimes as a backup to other means. Later lines were digital, and used for private corporate data networks. A leased line is a circuit that is dedicated to only one use. The opposite of a dedicated circuit is a switched circuit, which can be connected to different paths. A POTS or ISDN telephone line is a switched circuit, because it can connect to any other telephone number. On digital lines, a virtual circuit can be created to serve either purpose, while sharing a single physical circuit.
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Telecommunication circuit

Telecommunication circuit

A telecommunication circuit is any line, conductor, or other conduit by which information is transmitted.[1] Originally, this was analog, and was often used by radio stations as a studio/transmitter link (STL) or remote pickup unit (RPU) for their audio, sometimes as a backup to other means. Later lines were digital, and used for private corporate data networks.

A leased line is a circuit that is dedicated to only one use. The opposite of a dedicated circuit is a switched circuit, which can be connected to different paths. A POTS or ISDN telephone line is a switched circuit, because it can connect to any other telephone number.

On digital lines, a virtual circuit can be created to serve either purpose, while sharing a single physical circuit.

Definitions

A telecommunication circuit may be defined as follows:

  • The complete path between two terminals over which one-way or two-way communications may be provided. See communications protocol.
  • An electronic path between two or more points, capable of providing a number of channels.
  • A number of conductors connected for the purpose of carrying an electric current.
  • An electronic closed-loop path among two or more points used for signal transfer.
  • A number of electrical components, such as resistors, inductances, capacitors, transistors, and power sources connected in one or more closed loops.

See also



This article uses material from the Wikipedia article "Telecommunication circuit", which is released under the Creative Commons Attribution-Share-Alike License 3.0. There is a list of all authors in Wikipedia

Electrical Engineering

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