Design and Fabricate the UWB Tapered Fed Printed Log-Periodic Dipole Antenna with Dual Notched Band Using Double Side SRR

Document Type : Research Article

Authors

Electrical Engineering Department, Razi University, Kermanshah, Iran

Abstract

In this paper, proposed a notch filter using the parallel microstrip line with a pair of rectangular C-shaped split ring resonator (CSRR) that is placed on the top and bottom side of the substrate. The CSRR has a width (w), length (L), and the gap region (g) in the CSRR is parallel and far from the microstrip line. It can be stored and absorbed all of the passing fields in the microstrip line at its resonance frequency and thus generated a notch frequency or a band filtering. This study focuses on creating a notch-bands for the UWB dipole antenna with frequency selectivity. By embedding two double side CSRRs near the microstrip feed-line, filter characteristic with cutoff band for WiMAX and WLAN are generated for a printed log-periodic dipole antenna (PLPDA) consists of 12 dipole elements fed by a tapered microstrip line. The final proposed structure of PLPDA is fabricated on Rogers Ro4003 substrate with dielectric constant 3.55, loss tangent 0.0027, and thickness of 0.8 mm. Also, the radiation patterns of the structure for three selected frequencies are presented that indicate stability directional beams in the operational band. The simulation and measurement results are in good agreement with each other and the proposed antenna can be used for UWB applications without affecting WiMAX and WLAN bands.

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Main Subjects

International Journal of Research and Technology in Electrical Industry
Volume 3, Issue 2
2024
Pages 460-465

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History

  • Receive Date: 11 December 2024
  • Revise Date: 12 January 2025
  • Accept Date: 15 January 2025

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