| On the Limitation of Telegrapher′s Equations for Analysis of Nonuniform Transmission Lines |
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Se-Yun Kim |
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Imaging and Media Research Center, Korea Institute of Science and Technology |
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| Abstract |
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The limitation of telegrapher's equations for analysis of nonuniform transmission lines is investigated here. It is shown theoretically that the input impedance of a nonuniform transmission line cannot be derived uniquely from the Riccati equation only except for the exponential transmission line of a particular frequency-dependent taper. As an example, the input impedance of an angled two-plate transmission line is calculated by solving the telegrapher's equations numerically. The numerical results suffer from larger deviation from its rigorous solution as the plate angle increases. |
| Key words:
Nonuniform Transmission Line, Telegrapher′s Equations, TEM Mode, Angled Two Plates |
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