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About: Twin-lead     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Telegram106622709, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingyago:WikicatCablesyago:WikicatSignalCablesyago:Abstraction100002137yago:Cable106275095yago:Communication100033020yago:Message106253690television stationyago:Telegram106622709 New Facet based on Instances of this Class

Twin-lead cable is a two-conductor flat cable used as a balanced transmission line to carry radio frequency (RF) signals. It is constructed of two stranded or solid copper or copper-clad steel wires, held a precise distance apart by a plastic (usually polyethylene) ribbon. The uniform spacing of the wires is the key to the cable's function as a transmission line; any abrupt changes in spacing would reflect some of the signal back toward the source. The plastic also covers and insulates the wires. It is available with several different values of characteristic impedance, the most common type is 300 ohm.