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A broadband printed bow-tie antenna with a simplified balanced feed

✍ Scribed by Guiping Zheng; Ahmed A. Kishk; Allen W. Glisson; Alexander B. Yakovlev

Book ID
102522250
Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
137 KB
Volume
47
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A broadband printed bow‐tie antenna with a simplified balanced feeding network and modified tapering is presented. Microstrip and parallel‐strip transmission lines printed on the substrate with high dielectric permittivity realize the proposed feeding network. The ground‐plane transition between the microstrip line and the parallel‐strip line is exponentially tapered so as to reduce the reflection losses and produce a balanced feed for the antenna. This printed bow‐tie antenna achieves a 68% measured bandwidth and a stable radiation pattern within the X‐band. Commercial FEM software is used for optimization of the bow‐tie antenna and the simulation results agree very well with the experiment. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 47: 534–536, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21221

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