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CPW triple-fed ultra-wideband antenna with variable band-notch function

Published online by Cambridge University Press:  28 August 2014

M. Naser-Moghadasi  and
L. Asadpor
M. Naser-Moghadasi*
Affiliation:
Faculty of Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
L. Asadpor
Affiliation:
Faculty of Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
*
Corresponding author: M. Naser-Moghadasi Email: mn.moghaddasi@srbiau.ac.ir
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Abstract

A small and compact ultra-wideband (UWB) aperture antenna with extended band-notched design is proposed. The antenna is composed of a rectangular aperture on ground plane of a printed circuit board and a fork-like exciting stub. The presented co-planar wave guide triple-fed antenna is easy to be applied with RF and microwave circuitry for low manufacturing cost. The antenna is successfully designed, implemented, and measured. A compact aperture area of 12.5 × 23 mm2 is acquired with promising performances, including broadband matched impedance and stable radiation patterns. The correlation between the mode-based field distributions and radiation patterns is discussed. Extended from the proposed antenna, one advanced band-notched (5–6 GHz) designs are also presented as a desirable feature for UWB applications.

Keywords

Band notchSlot antennasTriple fedUWB antenna.
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 7 , Issue 6 , December 2015 , pp. 791 - 796
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2014 

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