✦ LIBER ✦

Design and implementation of planar ultra-wideband antennas characterized by multiple notched bands

✍ Scribed by Yuan Dan Dong; Wei Hong; Jian Yi Zhou; Zhen Qi Kuai

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 674 KB
Volume: 51
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.24076

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✦ Synopsis

Abstract

A new approach for the design of planar ultra‐wideband (UWB) antennas having multiple band‐notched functions is studied and presented. In this approach, a planar dual‐stopband filter based on a dual‐mode resonator is first investigated carefully, which employs a half‐mode substrate‐integrated waveguide cavity to improve the quality (Q) factor. Then, this filter is applied to the design of a UWB antenna with dual band‐notched characteristics. Finally, two triple band‐notched antennas are implemented by incorporating two different resonators in the radiation element of the UWB antenna, respectively. Voltage standing wave ratio (VSWR), gain, and radiation pattern are measured. High and sharp band‐rejection characteristic for each of the frequency notch as well as a very wide impedance bandwidth is achieved. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 520–426, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24076

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