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http://dx.doi.org/10.6109/jkiice.2014.18.11.2600

Design of Planar Dipole Pair Antenna for Indoor Digital TV Reception  

Lee, Jong-Ig (Department of Electronics Engineering, Dongseo University)
Yeo, Junho (School of Computer and Communication Engineering, Daegu University)
Han, Dae-Hee (School of Electronics Engineering, Kyungpook National University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.18, no.11, 2014 , pp. 2600-2606 More about this Journal
Abstract
In this paper, a design method for a planar dipole pair antenna for an operation in the frequency band of 470-806 MHz for terrestrial indoor digital TV (DTV) is studied. The proposed antenna is composed of two planar dipoles connected through conducting strips, and the antenna is fed by a microstrip line. By employing different lengths of dipoles, a broadband characteristics is obtained, and the antenna is size-reduced by bending both ends of the longer dipole. The effects of design parameters on the antenna performance are examined by simulation, and the parameters are adjusted for terrestrial DTV band use. A prototype of the antenna for indoor DTV reception is fabricated on an FR4 substrate with a size of $240mm{\times}139.5mm$ and tested experimentally. The experiment results show that the frequency band for a VSWR < 2 ranges 458-864 MHz(61.4%), and it corresponds fairly well with the simulated band of 448-868 MHz(63.8%).
Keywords
planar dipole antenna; dipole pair; broadband antenna; digital TV antenna;
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