Design of an internal FM radio antenna for mobile handsets with an arrow-shaped patch

Design of an internal FM radio antenna for mobile handsets with an arrow-shaped patch

This article describes the design, fabrication, and measurement of an internal FM radio ferrite sheet flexible antenna using an arrow‐shaped patch to enhance passive gain performance for mobile handsets.To obtain sufficient passive gain performance ≥–20 dBi, an arrow‐shaped patch is inserted in the...

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Veröffentlicht in:Microwave and optical technology letters 2011-09, Vol.53 (9), p.2132-2135
Hauptverfasser: Choi, Sunho, Kim, Gi-Ho, Seong, Won-Mo, Kwak, Kyung-Sup
Format: Artikel
Sprache:eng
Schlagworte:
Antennas
arrow-shaped patch
Bandwidth
ferrite sheet
FM radio
Frequency modulation
Gain
internal flexible antenna
Microwaves
mobile handsets
On-line systems
Patch antennas
Wire
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Zusammenfassung:This article describes the design, fabrication, and measurement of an internal FM radio ferrite sheet flexible antenna using an arrow‐shaped patch to enhance passive gain performance for mobile handsets.To obtain sufficient passive gain performance ≥–20 dBi, an arrow‐shaped patch is inserted in the antenna radiator and monopole type wire is used. The measured result of the fabricated antenna provides passive gain performance (15.6–13.5 dBi) from 86 to 108 MHz with the frequency modulation (FM) bandwidth from 83.20 to 123.72 MHz (≤voltage standing wave ratio (VSWR) 6:1). Also, a good radiation pattern is achieved within the FM bandwidth (86–108 MHz) range. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26180
ISSN:0895-2477
1098-2760
1098-2760
DOI:10.1002/mop.26180