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unbalanced line
:''This article is about the electrical transmission line. For the American football offensive line, see glossary of American football. For three-phase electric power lines carrying unbalanced currents see Three-phase electric power#Unbalanced loads.''
In electrical engineering, an unbalanced line is a transmission line, often coaxial cable, whose conductors have unequal impedances with respect to ground; as opposed to a balanced line. Microstrip and single-wire lines are also unbalanced lines.
== General description ==
Any line that has a different impedance of the return path may be considered an unbalanced line. However, unbalanced lines usually consist of a conductor that is considered the signal line and another conductor that is grounded, or is ground itself. The ground conductor often takes the form of a ground plane or the screen of a cable. The ground conductor may be, and often is, common to multiple independent circuits. For this reason the ground conductor may be referred to as ''common''.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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