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http://dx.doi.org/10.12673/jant.2018.22.5.436

Compact Dual-band Double Dipole Quasi-Yagi Antenna with V-shaped Ground Plane  

Yeo, Junho (School of Computer and Communication Engineering/Information and Communication Research Center, Daegu University)
Lee, Jong-Ig (Division of Mechatronics Engineering, Dongseo University)
Publication Information
Journal of Advanced Navigation Technology / v.22, no.5, 2018 , pp. 436-441 More about this Journal
Abstract
In this paper, a design method for a compact double dipole quasi-Yagi antenna with a V-shaped ground plane operating in dual bands including 2.45 GHz and 5 GHz wireless LAN frequency bands is studied. First, a quasi-Yagi antenna operating in the 2.45 GHz band is designed, and a V-shaped ground plane is used instead of a conventional strip ground plane to reduce the length of the antenna. A second dipole is connected to the dipole driver of the quasi-Yagi antenna for 2.45 GHz band and a director is appended for 5 GHz band operation. A prototype of the proposed dual-band antenna operating at 2.45 GHz WLAN band and 4.57-7.11 GHz band is fabricated on an FR4 substrate with a dimension of 40 mm by 55 mm. Fabricated antenna shows frequency bands of 2.33-2.75 GHz and 4.38-7.5 GHz for a voltage standing wave ratio less than 2. Measured gain remains more than 4 dBi in both bands.
Keywords
V-shaped ground plane; Compact; Dual-band; Double dipole quasi-Yagi antenna(DDQYA); wireless LAN bands;
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