CST – Computer Simulation Technology

Design of Band Notch UWB Circular Microstrip Antenna
Dr. V. Rajya Lakshmi
1st January 0001
79 - 81
Circular Microstrip antenna, Ultra wide band antenna, Defected ground structure, Notch
Design of a compact circular micro strip antenna with band notched Ultra-Wide Band (UWB) characteristics has been proposed. The proposed antenna consists of circular radiating patch with a micro strip line type feed structure and employs a simple defected ground structure (DGS) in a rectangular shape to achieve UWB operation. A notch is also designed to avoid the function of the antenna at 5.5 GHz to reject WLAN2 band from 5.15 to 5.825 GHz. The crux of this design strategy is that a ‘C’ shaped slot has been embedded onto the patch antenna to achieve band-stop filtering action at above mentioned frequency. Simulation of the design is done with CST MW Studio 2012 Electromagnetic Simulator.

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