On the Modeling of Microstrip Lines Loaded With Dumbbell Defect-Ground-Structure (DB-DGS) and Folded DB-DGS Resonators

This paper presents a lumped-element equivalent circuit model of microstrip lines loaded with dumbbell defect-ground-structure (DB-DGS) resonators, etched in the ground plane. The model is valid for ordinary (i.e., unfolded) DB-DGSs, as well as for folded DB-DGSs with an arbitrary aperture angle and...

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Autores principales:	Lijuan Su, Jonathan Munoz-Enano, Paris Velez, Jesus Martel, Francisco Medina, Ferran Martin
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Dumbbell DGS (DB-DGS) defect ground structures (DGS) folded DB-DGS mixed coupling microstrip technology parameter extraction Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/5cb722ab289c401ca8e86ff05569086d
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spelling	oai:doaj.org-article:5cb722ab289c401ca8e86ff05569086d2021-11-18T00:09:01ZOn the Modeling of Microstrip Lines Loaded With Dumbbell Defect-Ground-Structure (DB-DGS) and Folded DB-DGS Resonators2169-353610.1109/ACCESS.2021.3125775https://doaj.org/article/5cb722ab289c401ca8e86ff05569086d2021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9605256/https://doaj.org/toc/2169-3536This paper presents a lumped-element equivalent circuit model of microstrip lines loaded with dumbbell defect-ground-structure (DB-DGS) resonators, etched in the ground plane. The model is valid for ordinary (i.e., unfolded) DB-DGSs, as well as for folded DB-DGSs with an arbitrary aperture angle and relative orientation between the line and the resonator. It is shown that in folded, or partially folded, DB-DGS resonators both magnetic and electric coupling between the line and the resonator should be considered, except for a particular DB-DGS orientation, namely, the one where the symmetry plane of the particle (a magnetic wall) is orthogonal to the line axis. In this case, the particle is exclusively excited by the electric field generated by the line. It is also shown that the circuit model of a microstrip line loaded with an unfolded DB-DGS resonator transversally oriented to the line can be derived from the general model by considering the effects of opening the particle, i.e., a reduction of the electric coupling. In the extreme situation where the DB-DGS is completely opened (unfolded), the electric coupling vanishes, and the particle is exclusively driven by the magnetic field generated by the line. This effect is taken into account in the model by considering that the capacitance between the line and the inner metallic region of the folded, or partially folded, DB-DGS depends on the aperture angle of the particle, and it is null when the particle is unfolded. The models are validated by parameter extraction and comparison of the circuit responses with the responses inferred by electromagnetic simulation and measurement.Lijuan SuJonathan Munoz-EnanoParis VelezJesus MartelFrancisco MedinaFerran MartinIEEEarticleDumbbell DGS (DB-DGS)defect ground structures (DGS)folded DB-DGSmixed couplingmicrostrip technologyparameter extractionElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 150878-150888 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Dumbbell DGS (DB-DGS) defect ground structures (DGS) folded DB-DGS mixed coupling microstrip technology parameter extraction Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Dumbbell DGS (DB-DGS) defect ground structures (DGS) folded DB-DGS mixed coupling microstrip technology parameter extraction Electrical engineering. Electronics. Nuclear engineering TK1-9971 Lijuan Su Jonathan Munoz-Enano Paris Velez Jesus Martel Francisco Medina Ferran Martin On the Modeling of Microstrip Lines Loaded With Dumbbell Defect-Ground-Structure (DB-DGS) and Folded DB-DGS Resonators
description	This paper presents a lumped-element equivalent circuit model of microstrip lines loaded with dumbbell defect-ground-structure (DB-DGS) resonators, etched in the ground plane. The model is valid for ordinary (i.e., unfolded) DB-DGSs, as well as for folded DB-DGSs with an arbitrary aperture angle and relative orientation between the line and the resonator. It is shown that in folded, or partially folded, DB-DGS resonators both magnetic and electric coupling between the line and the resonator should be considered, except for a particular DB-DGS orientation, namely, the one where the symmetry plane of the particle (a magnetic wall) is orthogonal to the line axis. In this case, the particle is exclusively excited by the electric field generated by the line. It is also shown that the circuit model of a microstrip line loaded with an unfolded DB-DGS resonator transversally oriented to the line can be derived from the general model by considering the effects of opening the particle, i.e., a reduction of the electric coupling. In the extreme situation where the DB-DGS is completely opened (unfolded), the electric coupling vanishes, and the particle is exclusively driven by the magnetic field generated by the line. This effect is taken into account in the model by considering that the capacitance between the line and the inner metallic region of the folded, or partially folded, DB-DGS depends on the aperture angle of the particle, and it is null when the particle is unfolded. The models are validated by parameter extraction and comparison of the circuit responses with the responses inferred by electromagnetic simulation and measurement.
format	article
author	Lijuan Su Jonathan Munoz-Enano Paris Velez Jesus Martel Francisco Medina Ferran Martin
author_facet	Lijuan Su Jonathan Munoz-Enano Paris Velez Jesus Martel Francisco Medina Ferran Martin
author_sort	Lijuan Su
title	On the Modeling of Microstrip Lines Loaded With Dumbbell Defect-Ground-Structure (DB-DGS) and Folded DB-DGS Resonators
title_short	On the Modeling of Microstrip Lines Loaded With Dumbbell Defect-Ground-Structure (DB-DGS) and Folded DB-DGS Resonators
title_full	On the Modeling of Microstrip Lines Loaded With Dumbbell Defect-Ground-Structure (DB-DGS) and Folded DB-DGS Resonators
title_fullStr	On the Modeling of Microstrip Lines Loaded With Dumbbell Defect-Ground-Structure (DB-DGS) and Folded DB-DGS Resonators
title_full_unstemmed	On the Modeling of Microstrip Lines Loaded With Dumbbell Defect-Ground-Structure (DB-DGS) and Folded DB-DGS Resonators
title_sort	on the modeling of microstrip lines loaded with dumbbell defect-ground-structure (db-dgs) and folded db-dgs resonators
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/5cb722ab289c401ca8e86ff05569086d
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On the Modeling of Microstrip Lines Loaded With Dumbbell Defect-Ground-Structure (DB-DGS) and Folded DB-DGS Resonators

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