Volume 2 Number 4 (Aug. 2010)
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IJCEE 2010 Vol.2 (4): 788-792 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2010.V2.229

CPW-Fed UWB Slot Antenna with Triangular Tuning Stub

J. William and R. Nakkeeran

Abstract—Design and analysis of a new coplanar waveguide (CPW) fed ultra wideband (UWB) slot antenna is presented in this paper. The physical dimension of the antenna is around 28mm (length) × 21mm (width) × 1.6mm (thickness) and fed by 50Ω coplanar waveguide. An extensive analysis of the proposed antenna in the frequency and time domains are presented. The antenna was fabricated using FR4 substrate and characterized by measuring return loss, radiation pattern (6 GHz) and gain. The measured results are appreciably in good agreement with the simulation results. A better impedance bandwidth is obtained from 3.1 GHz to 11.4 GHz that constitutes a fractional bandwidth of 114 % with return loss less than or equal to -10 dB (VSWR < 2). Time domain analysis of the antenna is also performed that witnessed the linear phase and less distortion. The simple configuration and low profile nature of the proposed antenna leads to easy fabrication that may be built for any wireless UWB device applications.

Index Terms—Coplanar Waveguide, slot antenna, standing wave ratio, time domain analysis, ultra wideband.

J William is a research Scholar in the Department of ECE, Pondicherry Engineering College, Pondicherry. E-mail: wills.susan@ gmail.com.
R. Nakkeeran is with the Department of ECE, Pondicherry Engineering College, Pondicherry. E-mail: rnakeeran@pec.edu.

Cite: J. William and R. Nakkeeran, "CPW-Fed UWB Slot Antenna with Triangular Tuning Stub," International
Journal of Computer and Electrical Engineering
vol. 2, no. 4, pp. 788-792, 2010.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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