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Parametric studies on effects of defected ground structure (DGS) for 6 GHz bandpass filter

Othman, M.A. and Mohd Ijtihad, N.A. and Sulaiman, H.A. and Che Seman, Fauziahanim (2015) Parametric studies on effects of defected ground structure (DGS) for 6 GHz bandpass filter. In: 2015 International Symposium on Technology Management and Emerging Technologies (ISTMET), 25-27 August 2015, Langkawi, Kedah, Malaysia.


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Parallel coupled bandpass filter is proposed and designed by placing defected ground structure (DGS) in the ground plane. The proposed open loop dumbbell shaped DGS is used to tuned the bandpass filter to 6 GHz with a dimension of 50mm x 25mm. The bandpass filter is designed by using FR-4 printed circuit board and a tuning range of 0.994 GHz is achieved. This filter gives an insertion loss of -5.784 dB and a return loss of -11.051 dB. A comparison of the design of bandpass filter with open loop dumbbell shaped DGS is analyzed to identify the better performance of the bandpass filter. The results of simulated and measured filter is analyzed and discussed.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: bandpass filter; Defected Ground Structure (DGS); lumped element; FR-4 printed circuit board
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics
Depositing User: Normajihan Abd. Rahman
Date Deposited: 21 Sep 2015 07:31
Last Modified: 21 Sep 2015 07:31
URI: http://eprints.uthm.edu.my/id/eprint/7254
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