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Printed Modified Bow-Tie Dipole Antenna for Multi-Band Applications
I-Fong CHEN Chia-Mei PENG Ching-Chih HUNG Han-Chao CHEN
IEICE TRANSACTIONS on Communications
Publication Date: 2009/04/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antennas and Propagation
bow-tie dipole, asymmetric-feed, UHF-band, ISM-band, omni-directional,
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The ability of a modified bow-tie dipole antenna, which has an asymmetric-feed structure to operate at UHF-band (470-862 MHz) and dual ISM-band (2.4 GHz and 5.8 GHz) is demonstrated. Experimental results indicate that the VSWR 2:1 bandwidths achieved were 125.7%, 8.2% and 23.6% at 660 MHz, 2.45 GHz and 5.5 GHz. The proposed modified bow-tie dipole exhibits a nearly omni-directional radiation pattern with very easy to fabricate structure, and so is suitable for various commercial wideband applications.