An efficient numerical spectral domain method to analyze a large class of nonreciprocal planar transmission lines

Mesa, Francisco; Marqués, R.; Horno, M.

doi:10.1109/22.149541

Cited by 31 publications

(11 citation statements)

References 30 publications

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“…We have confirmed that these entries are computed with extreme accuracy (more than six correct figures) using very low-order Chebyshev quadratures and closed-form evaluation of the logarithmic singularity contribution. On the other hand, we have carried out exhaustive comparisons with propagation constants computed using numerical evaluation of the Green's function and using enhanced versions of the SDA [31]. The agreement between the various results is total and we only detect differences in the computational effort (CPU time).…”

Section: Numerical Resultsmentioning

confidence: 99%

Fast full-wave analysis of multistrip transmission lines based on MPIE and complex image theory

Bernal

Medina

Boix

et al. 2000

IEEE Trans. Microwave Theory Techn.

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The mixed-potential electric-field integral equation is used in conjunction with the Galerkin's method and complex image theory for analyzing a transmission line with multiple strips embedded in different layers of a multilayered uniaxially anisotropic dielectric substrate. The two-dimensional Green's functions for the scalar and vector potentials are analytically obtained in the space domain due to the approximation of its spectral-domain version with complex images, thus avoiding lengthy numerical evaluations. Double integrals involved in the computation of Galerkin's matrix entries are quasi-analytically carried out for the chosen basis functions, which are well suited to the problem.

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Section: Numerical Resultsmentioning

confidence: 99%

Fast full-wave analysis of multistrip transmission lines based on MPIE and complex image theory

Bernal

Medina

Boix

et al. 2000

IEEE Trans. Microwave Theory Techn.

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“…This fact can be understood from both the magnetostatic [4] and the full-wave analysis [5] and implies that the usual definition of line characteristic impedance, , does not apply to the analysis of strip-guided magnetostatic waves, since it yields . Also, the line voltage is a meaningless concept for MSSWs (is for this reason that MSSWs can be guided by the ungrounded structure of Fig.…”

Section: Discussionmentioning

confidence: 98%

Efficient analysis of magnetostatic surface waves in printed and suspended ferrite loaded strip lines

Rafii-El-Idrissi

Marqués

Medina

2001

IEEE Microw. Wireless Compon. Lett.

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This paper analyzes the guidance of magnetostatic surface waves (MSSW) by a metallic strip printed on a ferrimagnetic slab or on a dielectric/ferrimagnetic structure (suspended configuration) in the frame of the magnetostatic approach. An integral spectral domain analysis (SDA) is used for this purpose. Shielding upper and/or lower ground planes are also considered. Some interesting new physical effects, such as backward and complex MSSWs in the suspended configuration are reported. Good agreement with previously published experimental and computed results confirms the validity of our approach.

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“…When nonplanar conductors are considered, the kernel of the integral equation contains several terms of the dyadic magnetic vector-potential Green's function and some derivatives plus the term associated to the scalar-poten-tial Green's function [14]. Thus, the Green's function problem can be reduced to obtaining the space-domain version of the following generic Green's function: (4) where is a frequency-dependent constant and…”

Section: Formulation Of the Problemmentioning

confidence: 99%

2-D analysis of leakage in printed-circuit lines using discrete complex-images technique

Bernal

Mesa²,

Medina³

2002

IEEE Trans. Microwave Theory Techn.

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The mixed-potential integral equation is combined with the discrete complex-images technique to analyze the complete spectrum of multilayered printed transmission lines. A relevant contribution of the present two-dimensional approach is its ability to study both the bound and leaky regimes in a very simple, systematic, and efficient way. Since the analysis is carried out in the spatial domain, this method makes it possible to analyze the leakage phenomenon for structures with nonzero-thickness conductors. Efficient quasi-analytical techniques are employed to solve the integral equation.

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An efficient numerical spectral domain method to analyze a large class of nonreciprocal planar transmission lines

Cited by 31 publications

References 30 publications

Fast full-wave analysis of multistrip transmission lines based on MPIE and complex image theory

Fast full-wave analysis of multistrip transmission lines based on MPIE and complex image theory

Efficient analysis of magnetostatic surface waves in printed and suspended ferrite loaded strip lines

2-D analysis of leakage in printed-circuit lines using discrete complex-images technique

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