coaxial cable

a cable that consists of an insulated conducting tube through which a central, insulated conductor runs, used for transmitting high-frequency telephone, telegraph, digital, or television signals. Also called coax.

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or coax

Self-shielded cable used for transmission of communications signals, such as those for television, telephone, or computer networks.

A coaxial cable consists of two conductors laid concentrically along the same axis. One conducting wire is surrounded by a dielectric insulator, which is in turn surrounded by the other, outer conductor, producing an electrically shielded transmission circuit. The whole cable is wrapped in a protective plastic sheathing. The signal propagates within the dielectric insulator, while the associated current flow is restricted to adjacent surfaces of the inner and outer conductors. As a result, coaxial cable has very low radiation losses and low susceptibility to external interference.

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Universalium. 2010.

Look at other dictionaries:

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  • coaxial cable — noun a transmission line for high frequency signals • Syn: ↑coax, ↑coax cable • Derivationally related forms: ↑coax (for: ↑coax) • Hypernyms: ↑cable, ↑ …   Useful english dictionary

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  • coaxial cable — coaxial line, transmission line used to transmit high frequency television telephone and telegraph signals …   English contemporary dictionary

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