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Compact 2.4/5-GHz dual-band annular-ring slot antenna with circular polarization

✍ Scribed by Wang Ren

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
568 KB
Volume
51
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

This article presents a compact dual‐band circularly polarized annular‐ring slot antenna for 2.4/5‐GHz WLAN applications. The radiating elements consist of two concentric annular‐ring slots cut on the center of the ground plane, operating at 2.4‐ and 5‐GHz bands, respectively. A pair of rectangle notches is placed between two annular‐ring slots to guarantee that the antenna can operate well at high band. The antenna is fed by a 50 ohm microstrip at the top and the substrate material is FR‐4. It has a compact size (40 mm × 40 mm × 1.6 mm) and can be integrated easily with other RF front‐end circuits in WLAN operations. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1848–1852, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24487

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