Equivalent circuit representation of lossy coplanar waveguides |
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Authors: | F. Bouzidi H. Aubert D. Bajon H. Baudrand V. Fouad Hanna |
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Affiliation: | 1. ENSAE, 10, avenue Edouard-Belin, F-31055, Toulouse Cedex, France 2. Groupe de Modélisation Microonde, ENSEEIHT, laboratoire ?Electronique, 2, rue Charles-Camichel, F-31071, Toulouse Cedex, France 3. CNET, 38-40, avenue du général Leclerc, F-92131, Issy-les-Moulineaux, France
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Abstract: | The study of the dispersion properties of planar transmission lines including metallic losses with the generalized transverse resonance method is formalized in building an equivalent network of the cross-section which specifies the relationships between the tangential components of the fields on each side of the interfaces. Virtual sources represent the trial quantities chosen to describe the problem. With twoport type boundary conditions, the trial quantities are not easily defined from physical considerations, but the virtual sources obey to specific rules. This purpose is illustrated in studying the attenuation in lossy suspended coplanar transmission lines. |
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