Overview
ABSTRACT
This paper deals with the problem of electromagnetic coupling due to a transmitting antenna placed inside a rectangular shaped cavity. The theoretical approach shows that each TEm n (or TMm n) mode behaves like a transmission line, or virtual line. To determine the field amplitude appearing at resonance frequencies, the concepts of mutual inductance and capacitance used for the TEM mode are extended to the virtual line. The thermal losses are inserted by means of the Q factor. To conclude, some comments about the behavior of large cavities in respect of wavelength are added.
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Read the articleAUTHOR
-
Bernard DÉMOULIN : Professor Emeritus, - Lille 1 University, IEMN TELICE Group, CNRS, UMR 8520
INTRODUCTION
The second part of the article dealing with the transmission line theory applied to electromagnetic cavities, will be devoted to the power coupled on TE (or TM) modes.
Unlike the transverse electromagnetic modes (TEM) briefly related
in chapter 1 of Part I
Chapter 1 of this Part II, will be related to EM coupling caused by...
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KEYWORDS
electromagnetic cavities | transmission line theory | TE (or TM) modes | EMC | electronic engineering
The Transmission Line Theory to Solve Electromagnetic Coupling within Cavities. Part II - Coupling to TE (or TM) modes
Coupling to the TEmn modes in waveguide
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Bibliography
- (1) - KONEFAL (T.), DAWSON (J.F.), DENTON (A.C.), BENSON (T.M.), CHRISTOPOULOS (C.), MARWIN (A.C.), PORTER (S.J.), THOMAS (D.W.P.) - Electromagnetic coupling between wires inside a rectangular cavity using multiple-mode-analogous-transmission-line circuit theory. - IEEE Transactions on electromagnetic...
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