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2011-06-15

Printed Dipole Antenna with Back to Back Asymmetric Dual-C-Shape Uniform Strips for Dtv Applications

By I-Tseng Tang, Chi-Min Li, and Chih-Yang Lin
Progress In Electromagnetics Research C, Vol. 22, 73-83, 2011
doi:10.2528/PIERC11041410

Abstract

A printed dipole antenna with back to back asymmetric dual-C-shape uniform strips capable of generating a wide operating band for digital television (DTV) signal reception in the 470-862 MHz band is presented. This antenna is associated with C-shape strips and asymmetric structure, and it operates band in 455-865 MHz. By proper adjusting some parameters, it is possible to achieve a broadband response. Measured results have been compared with simulation and found in a good agreement. The antenna with back to back asymmetric dual-C-shape uniform strips can generate two adjacent resonant modes to form a wide operating band of larger than 62% in 2.5:1 VSWR bandwidth, which is much wider than that of the corresponding back to back symmetric dual-C-shape strips dipole antenna. The experimental results show that stable radiation pattern is similar to a dipole antenna. The measured peak gains are 3.2 dBi and 2.3 dBi, at 620 MHz and 780 MHz, respectively. The radiation efficiencies are all larger than 60% for an entire DTV band.

Citation


I-Tseng Tang, Chi-Min Li, and Chih-Yang Lin, "Printed Dipole Antenna with Back to Back Asymmetric Dual-C-Shape Uniform Strips for Dtv Applications," Progress In Electromagnetics Research C, Vol. 22, 73-83, 2011.
doi:10.2528/PIERC11041410
http://jpier.org/PIERC/pier.php?paper=11041410

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