A compact internal double tailed‐helical antenna (DTHA) for mobile handsets | Zendy

Hsu ChoKang | Zendy; Chiu ChengNan | Zendy; Deng ShengMing | Zendy

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A compact internal double tailed‐helical antenna (DTHA) for mobile handsets

Author(s) -

Hsu ChoKang,

Chiu ChengNan,

Deng ShengMing

Publication year - 2005

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.20837

Subject(s) - omnidirectional antenna , microwave , radiation pattern , engineering , antenna efficiency , helical antenna , return loss , electrical engineering , antenna (radio) , radiation , bandwidth (computing) , electronic engineering , acoustics , physics , telecommunications , optics

In this paper, a novel internal antenna, called a double‐tailed helical antenna (DTHA), is proposed for modern mobile handsets. A DTHA has the merits of being compact in size, cost effective, easy to manufacture, and easy to fine‐tune, as well as having good electrical performance. A prototype of a DTHA for operation in the EGSM/DCS bands is constructed and shown. Its volume can be limited to 28 × 6 × 6.5 mm. The measured and simulated return losses and the measured radiation patterns are obtained. The experimental results demonstrate the broad bandwidth and omnidirectional radiation performance of the newly developed antenna. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 45: 406–408, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20837

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