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A small printed dual-band antenna for mobile phones

✍ Scribed by Jae Hee Kim; Won Woo Cho; Wee Sang Park

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

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✦ Synopsis

Abstract

A small printed antenna is proposed for dual‐band applications. The antenna is patterned on the front of an 0.8‐mm FR4 substrate to obtain a low‐frequency resonance and a stub is patterned on the back of the substrate to obtain a high‐frequency resonance. The antenna without ground plane is small (8 × 35 mm), and it is suitable to operate as an internal antenna. For S~11~ less than −6 dB, the antenna operates at 900 MHz with a bandwidth of 66 MHz, and at 1.8 GHz with a bandwidth of 130 MHz. Maximum radiation efficiencies were 52% at both 900 MHz and 1805 MHz. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1699–1702, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24415

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