Ferrite-Cored Patch Antenna With Suppressed Harmonic Radiation

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We designed and fabricated a multiple-ferrite-cored patch antenna (MFC-PA) to suppress harmonic radiation over the frequency range of 1-10 GHz and obtain wide suppressing bandwidth. Its suppression performance was compared to those of the conventional PA, photonic bandgap PA (PBG-PA), and defected ground structure PA (DGS-PA). Simulated and measured results show that MFC-PA effectively suppresses harmonic radiation up to 5.6 f(0), where f(0) is 0.9 GHz, while the harmonic radiation of PBG-PA and DGS-PA is suppressed up to 3 f(0). It is suggested by the antenna performance simulation that MFC-PA can further suppress harmonic radiation up to 11 f(0). In principle, the harmonic radiation of MFC-PA is suppressed by dissipating the unwanted signals in ferrite materials, whereas PBG-PA and DGS-PA suppress harmonic radiation by reflecting or redirecting unwanted signals, which is not desired. Ferrite loading is a unique approach to suppress any harmonic radiation.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2018-06
Language
English
Article Type
Article
Keywords

DEFECTED GROUND STRUCTURE; PHOTONIC BANDGAP; MICROSTRIP; EFFICIENCY; DESIGN

Citation

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, v.66, no.6, pp.3154 - 3159

ISSN
0018-926X
DOI
10.1109/TAP.2018.2816778
URI
http://hdl.handle.net/10203/242608
Appears in Collection
EE-Journal Papers(저널논문)
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