Quasi-Static Analysis of Defected Ground Structure

A quasi-static equivalent circuit model of a dumbbell shaped defected ground structure (DGS) is developed. The equivalent circuit model is derived from the equivalent inductance and capacitance developed due to the perturbed returned current path on the ground and the narrow gap, respectively. The t...

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Bibliographische Detailangaben
Hauptverfasser:	Karmakar, N.C., Roy, S.M., Balbin, I., Swiegers, G.F.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Band pass filters bandstop filter Defected ground structure electromagnetic bandgap frequency spectrum high impedance surface Hybrid integrated circuits lowpass filter Metamaterials Microwave circuits Microwave devices Microwave filters Microwave integrated circuits MMICs Periodic structures photonic bandgap Radio frequency
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Beschreibung
Zusammenfassung:	A quasi-static equivalent circuit model of a dumbbell shaped defected ground structure (DGS) is developed. The equivalent circuit model is derived from the equivalent inductance and capacitance developed due to the perturbed returned current path on the ground and the narrow gap, respectively. The theory is validated against the commercial full-wave solver CST Microwave Studio. Finally, the calculated results are compared with the measured results. Good agreement between the theory, the commercially available numerical analyses and the experimental results validates the developed theoretical model.
ISSN:	2159-3442 2159-3450
DOI:	10.1109/TENCON.2005.300904