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Journal of Electromagnetic Waves and Applications Volume 26, 2012 - Issue 13
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Articles

A wideband Quasi-Yagi antenna with arrow-shaped dipoles for digital TV band applications

J.Y. Mao School of Information Engineering, Communication University of China, Beijing, China
,
Z.R. Li School of Information Engineering, Communication University of China, Beijing, ChinaCorrespondence[email protected]
,
Q.X. Guo School of Information Engineering, Communication University of China, Beijing, China
,
H. Zhang School of Information Engineering, Communication University of China, Beijing, China
,
X.Q. Zhang Research Institute of NBC Defense, Beijing, China
,
X.F. Wu Academy of Broadcasting Planning, SARFT, Beijing, China
&
Y. Yang The University of Nebraska, Lincoln, NE, USA
 show all
Pages 1716-1723 | Received 10 Apr 2012, Accepted 21 Jun 2012, Published online: 30 Jul 2012
 
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Abstract

This paper presents the design and implementation of a novel Quasi-Yagi antenna with arrow-shaped driven element and a director for DTV applications. The proposed antenna has three resonant frequencies in the operating frequency band. Both simulation and measurement results show that the operating frequency bandwidth of the antenna for S11 < −10 dB covers the DTV band (490–798 MHz), and the relative bandwidth is 48%. Far field measurements in azimuth plane and elevation plane show that the radiation patterns are stable and end-fire within the DTV band at frequencies of 530, 666 and 754 MHz.

Acknowledgement

The work was supported by the NSFC under Grant No. 61102011 and “211 Engineering” key subject of Communication University of China.

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