An UWB antenna using modified Hilbert curve slot for dual band notch characteristics

Anirban Karmakar, Rowdra Ghatak, Utsab Banerjee and D.R. Poddar

Journal of Electromagnetic Waves and Applications, 2013, vol. 27, issue 13, 1620-1631

Abstract: A printed dual band notched ultra wideband monopole antenna with a single perturbed Hilbert curve slot is presented which exhibits 121% impedance bandwidth. A single modified Hilbert curve slot provides dual band notch characteristics in the range of 3.3–3.7 GHz (WiMAX), 3.7–4.2 GHz (C-Band), and 5.15–5.825 GHz (WLAN) which makes the notch design process simpler than other dual band notched antennas. The gain of the proposed antenna varies from 3 to 4 dBi over its operating frequency range, except at the rejection bands. Suitable radiation characteristics are obtained throughout its operating band. Simulation and measured results of the proposed antenna are in good agreement.

Date: 2013
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DOI: 10.1080/09205071.2013.821676

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