Frequency-dependent characteristics of shielded broadside coupled microstrip lines on anisotropic substrates

Ho, T.Q.; Beker, B.

doi:10.1109/22.81674

Cited by 20 publications

(7 citation statements)

References 8 publications

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“…As can seen from Fig. 2, an excellent agreement exists between the data obtained with MOL and those computed using SDA [9] for frequencies ranging from 1 to 40 GHz. [9]).…”

Section: Numerical Resultssupporting

confidence: 66%

“…2, an excellent agreement exists between the data obtained with MOL and those computed using SDA [9] for frequencies ranging from 1 to 40 GHz. [9]). eff Next, the effect that strip-width has on the propagation properties of the line are shown in Fig.…”

Section: Numerical Resultssupporting

confidence: 64%

“…To validate the analytical formulation of the boundary value problem and its numerical solution, results obtained from equation (12) are compared to data computed independently using the spectral domain approach (SDA) [9]. Due to lack of published data for the covered shielded microstrip line that is analyzed in this paper, the computations were verified using a microstrip line without the cover layer.…”

Section: Numerical Resultsmentioning

confidence: 99%

“…Following the same MOL procedure as was used in the previous section, equations (9) and (10) can be converted into eight sets of matrix equations in the transform-domain, all containing 'diagonal square matrices. Numerically, this allows for the entire system of discretized equations with field component values on all lines to be treated the same way as they would be on each individual line.…”

Section: Formulation Of Boundary Value Problemmentioning

confidence: 99%

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Application of MoL to shielded microstrip lines with bi-anisotropic biaxial substrates and cover layers

Chen

Beker

1994

IEEE Trans. Magn.

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The method of lines (MOL) is applied to the analysis of shielded microstrip lines with bi-anisotropic biaxial substrates and superstrates (cover layers). Two coupled differential equations for the tangential electric field components, which govern the field behavior within anisotropic region, are derived using differential matrix operators. The MOL procedure is employed to discretize above equations along the transverse direction of the transmission line. Numerical results emphasize effects of strip-width, thickness of the substrate, and thickness of the superstrate on propagation characteristics of the line. In addition, the propagation constants of higher order modes are calculated for frequencies ranging from 1 to 35 GHz for substrates also exhibiting magnetic anisotropy. It is found that for this structure higher order modes tend to exist in clustered pairs.

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“…As can seen from Fig. 2, an excellent agreement exists between the data obtained with MOL and those computed using SDA [9] for frequencies ranging from 1 to 40 GHz. [9]).…”

Section: Numerical Resultssupporting

confidence: 66%

Section: Numerical Resultssupporting

confidence: 64%

Section: Numerical Resultsmentioning

confidence: 99%

Section: Formulation Of Boundary Value Problemmentioning

confidence: 99%

See 2 more Smart Citations

Application of MoL to shielded microstrip lines with bi-anisotropic biaxial substrates and cover layers

Chen

Beker

1994

IEEE Trans. Magn.

Self Cite

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“…Thus, the proposed model incorporates all the physical aspects of the HTS through London's equations. A set of closed form approximate analytical techniques and other numerical techniques related to EM wave propagation in anisotropic materials can be found in [19][20][21][22][23][24]. In this article, the process of finding closed-form expressions of the dyadic Green's functions follows the extended spectral domain immittance approach generalized to biaxial anisotropic substrates [16] in multilayer configuration.…”

Section: Formulation Methodsmentioning

confidence: 99%

Efficient characterization of EMC shielding in anisotropic high-Tc superconducting devices for industrial applications

Tounsi

Yagoub

2011

Int J RF and Microwave Comp Aid Eng

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In this article, an efficient full-wave-mode algorithm has been developed to efficiently address industrial needs for rigorous characterization of electromagnetic compatibility shielding effects in anisotropic high-temperature superconducting microwave devices on lossy anisotropic dielectric substrates in multilayer configuration. Finite thickness and conductivity as well as anisotropy of the superconducting films have been investigated. The proposed formulation uses the spectral domain dyadic Green's functions for stratified media.

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The compatible effects of gyrotropy and chirality in biaxially bianisotropic chiral‐ and chiroferrite–ferrite microstrip line structures

Wang

Wolff

1999

Int J Numerical Modelling

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In this paper, both gyrotropy and chirality are introduced in some composite bianisotropic chiral‐ and chiroferrite–ferrite microstrip line structures. The propagation characteristics are investigated using the generalized exponential technique in the spectral domain combined with the Galerkin's method. These microstrip structures include shielded single, edge‐coupled, broadside coupled, and bilateral edge‐coupled geometries. Numerical calculations are performed so as to examine the compatible effects of changing different variables associated with the operating frequency, gyrotropy and chirality parameters on the dominant mode propagation constant or the differential phase shifter of forward and backward waves, respectively. It is shown that the influences of chirality are just diverse, and it could be exploited as a new freedom to adjust the differential phase in chiral‐ and chiroferrite–ferrite microstrip lines. Such compatible properties are useful for the design of new planar microstrip integrated devices. Copyright © 1999 John Wiley & Sons, Ltd.

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Frequency-dependent characteristics of shielded broadside coupled microstrip lines on anisotropic substrates

Cited by 20 publications

References 8 publications

Application of MoL to shielded microstrip lines with bi-anisotropic biaxial substrates and cover layers

Application of MoL to shielded microstrip lines with bi-anisotropic biaxial substrates and cover layers

Efficient characterization of EMC shielding in anisotropic high-Tc superconducting devices for industrial applications

The compatible effects of gyrotropy and chirality in biaxially bianisotropic chiral‐ and chiroferrite–ferrite microstrip line structures

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