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J Electromagn Eng Sci > Volume 17(2); 2017 > Article
Journal of Electromagnetic Engineering and Science 2017;17(2):71-75.
DOI: https://doi.org/10.5515/JKIEES.2017.17.2.71   
Tunable-Slot-Type Ground Radiation Antenna with Dual Band Operation Using LC Resonator
Zeeshan Zahid, Hyeongdong Kim
Department of Electronics and Computer Engineering, Hanyang University
Correspondence:  Hyeongdong Kim,Email: hdkim@hanyang.ac.kr
Abstract
A dual-band tunable-slot-type ground radiation antenna is proposed. The feeding structure consists of a coplanar waveguide and a lumped capacitor to excite currents for first- and second-order resonant modes of the ground. The resonant frequencies of both bands are controlled using a series combination of a capacitor and an inductor. The proposed design may be an attractive choice for mobile devices owing to its compact geometry and tunable operating frequencies. The measurement and simulation results of the proposed antenna show good agreement, indicating good impedance matching and radiation performance.
Key words: Coupling, Dual Band, Ground Radiation Antenna, Impedance Matching, Tuning

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