Reconfigurable circularly polarized micr
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Tuan-Yung Han; Lin-Yu Tseng
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Article
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2009
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John Wiley and Sons
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English
β 315 KB
## Abstract A circularly polarized (CP) microstrip antenna with dualβfrequency operation is presented. The proposed antenna has a square radiating patch with four shorting pins, and it is excited by an Lβshaped strip through the coupling of a ringβslot in the ground plane. Five PIN diodes are attac