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http://dx.doi.org/10.5515/KJKIEES.2010.21.7.769

A Polarization-Switchable Microstrip Patch Antenna Using Corner Slots on Ground Plane and PIN Diodes  

Park, Chul-Woo (Dept. of Computer and Radio Communications Engineering, Korea University)
Lee, Tae-Hak (Dept. of Computer and Radio Communications Engineering, Korea University)
Choi, Jun-Ho (Dept. of Computer and Radio Communications Engineering, Korea University)
Yoon, Won-Sang (Communication R&D Center, Samsung Thales)
Pyo, Seong-Min (Dept. of Computer and Radio Communications Engineering, Korea University)
Kim, Young-Sik (Dept. of Computer and Radio Communications Engineering, Korea University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.21, no.7, 2010 , pp. 769-777 More about this Journal
Abstract
In this paper, a switchable circularly polarized microstrip patch antenna using PIN diodes and corner slots on ground plane is proposed at 2.4 GHz. The proposed antenna has a square microstrip patch and ground plane that consists of two pair of slots and PIN diodes. The electrical lengths of the slots are adjusted by using the switching characteristic of the PIN diode, so the polarization of the proposed antenna can be switchable between linear, left-handed(LH) and right-handed(RH). By separating the ground plane for the DC bias, the size reduction effect is also obtained. When the proposed antenna is operated as linear polarization, the return loss and impedance bandwidth are 15 dB, 59 MHz, and when operated as LH and RH polarization, the minimum axial ratio and 3-dB axial ratio bandwidth are 1.17 dB, 1.67 dB, 28 MHz, and 32 MHz, respectively.
Keywords
Polarization-Switchable; Coner Slots on Ground Plane; Microstrip Antenna; Circular Polarization; PIN Diode;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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