circularly polarized slotted aperture antenna with coplanar waveguide fed for broadband applications

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2016
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Abstract
Coplanar waveguide fed circularly polarized microstrip patch antenna performance evaluation is presented in this paper. The broadband characteristics are attained by placing open end slot at the lower side of the antenna. The proposed design has the return loss of less than -10dB and VSWR<2 in the desired band of operation. A gain of 3dB to 4dB is attained in the desired band with good radiation characteristics and a suitable axial ratio of less than 3 dB is attained in the prescribed band of operation. Proposed antenna is fabricated on the FR4 substrate with dielectric constant of 4.4. Parametric analysis with change in substrate permittivity also performed and the optimized dimensions are presented in this work.
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Authors ;B. T. P. MADHAV; HABIBULLA KHAN;SARAT K. KOTAMRAJU
Journal phytopathologia mediterranea
Year 2016
DOI
DOI not found
URL
http://jestec.taylors.edu.my/Vol%2011%20issue%202%20February%202016/Volume%20(11)%20Issue%20(2)%20267-%20277.pdf
Keywords
broadband circular polarization civil engineering (general)technology (general) impedance bandwidthengineering (general)

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