Vol. 44

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2013-09-24

Ultra-Wideband Performance of Printed Hexagonal Wide-Slot Antenna with Dual Band-Notched Characteristics

By Krishnendu Chattopadhyay, Swarup Das, Santanu Das, and Sekhar Ranjan Bhadra Chaudhuri
Progress In Electromagnetics Research C, Vol. 44, 83-93, 2013
doi:10.2528/PIERC13081405

Abstract

In this paper, ultra-wideband characteristics of a hexagonal wide slot antenna with dual band-notched property have been proposed and experimentally investigated. By etching a pair of L-shaped slots and embedding a pair of parallel strip conductors, dual band-notched properties in WiMAX/C-Band satellite application and WLAN band are achieved respectively. Good impedance matching is obtained over a wide band by designing the feed structure with a 50 Ω microstripline loaded by a tuning stub. The stub is proposed to have one hexagonal section and one straight section. The proposed antenna operates over 2.0 GHz-10.7 GHz range, for VSWR≤2,excluding the two rejection bands from 3.4 GHz to 4.3 GHz and 5.12 GHz to 6.4 GHz having rejection level VSWR of 7.84 and 6.5 respectively. The impedance bandwidth of the antenna is 5.35:1. The proposed ultra-wideband structure also exhibits constant group delay, satisfactory gain and high radiation efficiency in the pass band.

Citation


Krishnendu Chattopadhyay, Swarup Das, Santanu Das, and Sekhar Ranjan Bhadra Chaudhuri, "Ultra-Wideband Performance of Printed Hexagonal Wide-Slot Antenna with Dual Band-Notched Characteristics," Progress In Electromagnetics Research C, Vol. 44, 83-93, 2013.
doi:10.2528/PIERC13081405
http://jpier.org/PIERC/pier.php?paper=13081405

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