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Design And Analysis Of Half Circular Ring Antenna With Dumbell Shaped Defected Ground Structure

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Document pages: 4 pages

Abstract: A miniaturized multi frequency antenna is proposed. A compact micro strip patch antenna is designed to operate at dual band and it is modified as half circle strip loaded micro strip patch antenna with defected ground structure. The proposed antenna consisting of the combination of circular radiating element and half circle strip on the top side of the FR4 substrate material with dielectric constant 4.4. The bottom side a dumbbell shaped defected ground structure is incorporated to enhance the bandwidth.

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