Design and Optimization of Broadband Micromachined Antenna

Jose, Sumy and Vinoy, KJ (2007) Design and Optimization of Broadband Micromachined Antenna. In: 2006 Annual IEEE India Conference,, Sept. 2006 , New Delhi .

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Abstract

Performance improvement of a micromachined patch antenna operating at 30 GHz with a capacitively coupled feed arrangement is presented here. Such antennas are useful for monolithic integration with active components. Specifically, micromachining can be employed to achieve a low dielectric constant region under the patch which causes (i) the suppression of surface waves and hence the increase in radiation efficiency and (ii) increase in the bandwidth. The performance of such a patch antenna can be significantly improved by selecting a coupled feed arrangement. We have optimized the dimensions and location of the capacitive feeding strip to get the maximum improvement in bandwidth. Since this is a totally planar arrangement, and does not involve any stacked structures, this antenna is easy to fabricate using standard microfabrication techniques. The antenna element thus designed has a -10 dB bandwidth of 1600 MHz

Item Type:	Conference Paper
Publisher:	IEEE
Additional Information:	Copyright 2006 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.
Keywords:	Micromachining;Microstrip antenna;Capacitively coupled feed.
Department/Centre:	Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited:	10 Nov 2011 05:00
Last Modified:	10 Nov 2011 05:00
URI:	http://eprints.iisc.ac.in/id/eprint/42006

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