Hybrid Coupled Feed Circularly Polarized Patch Antenna for Military Applications

A  Sahaya Anselin Nisha

doi:10.17485/ijst/2015/v8i29/63684

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Hybrid Coupled Feed Circularly Polarized Patch Antenna for Military Applications

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2015/v8i29/63684

Year: 2015, Volume: 8, Issue: 29, Pages: 1-4

Original Article

Hybrid Coupled Feed Circularly Polarized Patch Antenna for Military Applications

A. Sahaya Anselin Nisha^*

Sathyabama University, Chennai - 600 119, Tamil Nadu, India; [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

A new configurable circular patch antenna for Military applications fed by 50Ω impedance hybrid coupler feed is examined here. The dual fed circular polarized microstrip antenna is etched on a Rogers with dielectric substrate of 2.2 with the height of 0.16 mm. The effect of hybrid coupling is circular polarization and radiation around 360 degree. The thickness of Circular patch antenna is of 0.381mm. The antenna is designed to achieve high gain of 6dB at the operating frequency of 8GHz. Simulation results and the measured results characteristic are closely matches with each other.
Keywords: Coupler, Directivity, Polarization, Radiation Pattern, Return Loss, Ultra Wide Band