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Resonant Frequency of Higher Order Modes for Circular Microstrip Antennas

Rajanish, * and Vedavathy, TS (1999) Resonant Frequency of Higher Order Modes for Circular Microstrip Antennas. In: 1999 Asia Pacific Microwave Conference. APMC'99, 30 November-3 December, Singapore, Vol.3, 936 -939.


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A modified expression for calculating the resonant frequency for higher order modes of a circular microstrip antenna is presented in this paper. It is found that by using the cavity model analysis to calculate the frequency for higher order modes, the frequency difference between the theoretical and measured values increases as the order of the mode increases. This discrepancy is eliminated by generalizing the expression for resonant frequency in the cavity model to include the mode order and thus modifying the effective capacitance used in the analysis. The theoretical results obtained are in excellent agreement with the experimental values.

Item Type: Conference Paper
Publisher: IEEE
Additional Information: Copyright 1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 07 Mar 2006
Last Modified: 19 Sep 2010 04:24
URI: http://eprints.iisc.ac.in/id/eprint/5794

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