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Harsha B.,Vishweshwaraya Technological University | Kartikeya G.S.,Vishweshwaraya Technological University | Kedar P.P.,Vishweshwaraya Technological University | Monish G.N.G.,Vishweshwaraya Technological University
Progress in Electromagnetics Research Symposium | Year: 2015

In this paper the Fibonacci series is used in the design of the golden spiral arm, which is applied on a patch antenna and is investigated. The reflection co-efficient and the gain for different dimensions of the golden spiral antenna for six successive numbers of the Fibonacci series are investigated. For the substrate dimensions of 144 mm × 8.9 mm, 13 resonating bands in the range of 1GHz to 8GHz was found. For the substrate dimensions mentioned above, Electromagnetic Band Gap (EBG) structures are positioned in the ground plane of the golden spiral antenna. It was found that gain of the Golden Spiral antenna from 1.09GHz to 2.5 GHz and 6.0535 to 6.25 GHz was increased by the addition of the EBG structures. A peak gain of 15dB and 9.2dB was found at 1.98 GHz and 6.18 GHz respectively. Source


Kedar P.P.,Vishweshwaraya Technological University | Karthikeya G.S.,Vishweshwaraya Technological University | Monish G.N.G.,Vishweshwaraya Technological University | Harsha B.,Vishweshwaraya Technological University
Progress in Electromagnetics Research Symposium | Year: 2015

Implementation Sierpinski Gasket Fractals on Band Reject L Slot printed Patch Antenna is investigated as Electromagnetic Band-Gap (EBG) Structures. Various iterations of the fractals are performed and investigated in the frequency range from 2 GHz to 5 GHz. Initially, the gain of the patch antenna over the frequency range is measured for reference. Later, different designs of the same fractals are loaded as EBG on the antenna. The peak gain of the reference is found out to be 2.38 dB and variations from it, after loading with EBG, are studied. Source

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