A STUDY OF COMPOSITE SUBSTRATES FOR VHF AND UHF ARTIFICIAL MAGNETIC CONDUCTORS AND THEIR APPLICATION TO A SATCOM ANTENNA | Zendy

Taulant Rexhepi | Zendy; David Crouse | Zendy

Open Access

A STUDY OF COMPOSITE SUBSTRATES FOR VHF AND UHF ARTIFICIAL MAGNETIC CONDUCTORS AND THEIR APPLICATION TO A SATCOM ANTENNA

Author(s) -

Taulant Rexhepi,

David Crouse

Publication year - 2016

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc16030409

Subject(s) - ultra high frequency , materials science , ferrite (magnet) , wideband , conductor , optoelectronics , composite number , bandwidth (computing) , microstrip antenna , antenna (radio) , acoustics , electronic engineering , electrical engineering , engineering , composite material , telecommunications , physics

The bandwidth of Artificial Magnetic Conductor (AMC) structures based on the square patch geometry has been significantly increased by using composite ferrite particles. These magnetic composites are non-conducting materials which achieve extraordinarily high values of magnetic permeability in the VHF and UHF range. Two AMC designs are presented for two different bands: the lower VHF and the VHF/UHF bands. To realize the ultra-high bandwidth for those ranges two particular materials were considered; nickel zinc and bismuth strontium titanate based ferrites. The AMCs were designed and modeled via numerical simulations using real material parameters as reported in literature. A cross-dipole radiator was integrated with the AMC to create a wideband directive antenna for SATCOM applications.

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