Monday, April 15, 2013
A Tutorial on TEM Transmission Lines
AppId is over the quota
The concept of TEM transmission lines has been a distinct element of electronics engineering for well over 70 years [1, 2]. The term TEM (Transverse ElectroMagnetic [3], also known as Transverse Electric and Magnetic [4]) refers to a condition in which both the electric and magnetic fields are parallel to a boundary plane [5] and there are no longitudial components of either field.
Other terms such as transverse electric (TE) and transverse magnetic (TM) refer to conditions in which the electric field or magnetic field, respectively, of a propagating wave is parallel to a boundary plane, in this case being the surface of the conductors of a transmission line, while at the same time the accompanying magnetic or electric fields, respectively, still have some longitudinal (or axial) components [6]. Both of these terms are normally associated with wave guides [5].
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