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Dual‐band ferrite chip antenna for global positioning system and bluetooth applications
Author(s) -
Bae Seok,
Hong Yang Ki,
Lee Jae Jin,
Park Ji Hoodn,
Jalli Jeevan,
Abo Gavin S.,
Seong Won Mo,
Park Sang Hoon,
Kum Juk Sik,
Ahn Won Ki,
Kim Gi Ho
Publication year - 2011
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.25672
Subject(s) - materials science , microwave , composite number , ferrite (magnet) , dielectric , return loss , permittivity , optoelectronics , electrical engineering , antenna (radio) , composite material , engineering , telecommunications
Dual‐band ferrite chip antenna having 105 mm 3 of volume was fabricated with Ba 3 Co 2 Fe 24 O 41 (Co 2 Z)‐glass composite and antenna performance was evaluated. The permeability and permittivity of the composite were in the range of 1.92–2.12 and 7.33–7.45, respectively, from 1.575 to 2.45 GHz. Magnetic and dielectric loss tan δ of Co 2 Z‐glass composite was <3.5% in the 1.5–3.0 GHz range. The 3D average gain and bandwidth of the 40h‐shake‐milled and sintered Co 2 Z‐glass composite antenna were −1.27 dB and 355 MHz at 1.575 GHz, −4.08 dB and 270 MHz at 2.45 GHz, respectively. Simulated S ‐parameter spectrum is in good agreement with experimental results. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:14–17, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25672