Linear Polarization Switchable patch Array Antenna using Magic-T and Orthogonal Feed
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概要
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In this paper, a linear polarization switchable patch array antenna is proposed. The orthogonal feed circuit and magic-T circuit is used to realize the array antenna. The advantage of the magic-T circuit is the excellent isolation between the RF signal and the switching bias signal. The microwave integration technology is effectively employed to realize proposed linear polarization switchable array antenna. The proposed array antenna consists of four patch element. In order to realize the ±45° polarization switching, two switching diodes are integrated with each patch elements. Using the ON/OFF condition of the diodes, the polarization axis can be easily switched to ±45°. The array antenna is realized in very simple and compact structure as all the antenna elements, feeding circuit and bias circuit are arranged on both sides of a dielectric substrate. The ability of the proposed array antenna to switch the polarization axis at ±45° at 10 GHz (X band) is confirmed by the experimental investigation.
- 2012-05-17
著者
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Hossain Md.
Graduate School Of Bioresources Mie University
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NISHIYAMA Eisuke
Graduate School of Science and Engineering, Saga University
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Nishiyama Eisuke
Graduate School Of Science And Engineering Saga University
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HOSSAIN Md.
Graduate School of Science and Engineering, Saga University
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TOYODA Ichihiko
Graduate School of Science and Engineering, Saga University
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