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Analysis of multi-conductor coupled microstrip lines with an aperture in the ground plane for the design of a broadband filter

Packiaraj, D and Vinoy, KJ and Ramesh, M and Kalghatgi, AT (2013) Analysis of multi-conductor coupled microstrip lines with an aperture in the ground plane for the design of a broadband filter. In: Journal of Electromagnetic Waves and Applications, 27 (7). pp. 856-867.

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Official URL: http://dx.doi.org/10.1080/09205071.2013.789410

Abstract

Closed-form expressions for the propagation characteristics of coupled microstrip lines with a symmetrical aperture in the ground plane are derived. Expressions for the regular microstrip coupled lines have been modified using physical insights to incorporate the effect of the aperture. The accuracy of these expressions has been verified by full-wave simulations and compared with conformal mapping analysis. These expressions are accurate within 5% for a substrate whose thickness varies from 0.2 to 1.6mm and permittivity in the range of 210. Designing a broadband filter based on planar multi-conductor coupled lines with aperture in the ground plane is demonstrated in this paper using the proposed expressions for its practical use.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Depositing User: Francis Jayakanth
Date Deposited: 17 Jun 2013 07:56
Last Modified: 17 Jun 2013 07:56
URI: http://eprints.iisc.ac.in/id/eprint/46693

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