Comparison of full wave approaches for determination of microstrip conductor losses for MMIC applications

Paleczny, E.; Kinowski, D.; Legier, Jean-François; Pribetich, P.; Kennis, P.

doi:10.1049/el:19901338

Cited by 16 publications

(13 citation statements)

References 2 publications

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“…Our wide-microstrip model has the following range of applicability: width of the microstrip is 3.5; conductor height is 0.472; dielectric permittivity is 2.7 12.9. Its accuracy is verified with theoretical and experimental results [3]- [7] for frequencies up to 100 GHz (see Figs. 2 and 3).…”

Section: A Wide Microstrip Linessupporting

confidence: 73%

“…Squares-full-wave data [7]; diamonds-full-wave data [6]; circles-full-wave data [7]. Microstrip line parameters: 1) w=h =0.1; 2) w=h =0.7; 3), 4) w=h =3.5; = 6.5, h = 0.2 m, = 12.9, h = 100 m, h = h + h , t = 12 m.…”

Section: B Narrow Microstrip Linesmentioning

confidence: 99%

“…A number of empirical formulas were derived using perturbation formulas valid for thick (with respect to the skin depth) conductors and high frequencies. Full-wave simulations are possible but are very time-consuming due to the fine mesh required to represent correctly the finite thickness of the lossy conductors [3]- [7]. Other models use full-wave results and curve fitting techniques to provide accurate empirical formulas [3].…”

Section: Introductionmentioning

confidence: 99%

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A parallel-plate waveguide model of lossy microstrip lines

Kouzaev

Deen

Nikolova

2005

IEEE Microw. Wireless Compon. Lett.

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An improved semi-analytical model of a lossy microstrip transmission line is proposed. The model is based on the theory of the fundamental transverse magnetic mode of a lossy parallel-plate waveguide whose dielectric medium is assigned the effective permittivity of the respective lossless microstrip line. The complex propagation constant of the fundamental mode is computed by imposing the Leontovitch boundary condition at the upper and lower plates whose impedances take into account the thickness of the conductors and the current crowding effect. The dielectric loss is computed by perturbation formulas. The proposed model features high accuracy and computational efficiency at frequencies up to 100 GHz.

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Section: A Wide Microstrip Linessupporting

confidence: 73%

Section: B Narrow Microstrip Linesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A parallel-plate waveguide model of lossy microstrip lines

Kouzaev

Deen

Nikolova

2005

IEEE Microw. Wireless Compon. Lett.

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“…65) is like that seen in[24] and gives similar variation to[25] 3 . The three cases in (61), (64), and (65) generate the three modified dyadic Green's functions (note that ), shown in (66)-(68), at the bottom of this page 3.…”

supporting

confidence: 58%

“…That is, the unit normal vector crossed into the dyadic magnetic Green's function, then multiplied by the surface current, yields the same result as the dyadic magnetic Green's function multiplied by the surface current, followed by a cross-product multiplication by the unit normal vector. Equation (22) is a rather remarkable result, as it allows us to write down by inspection the new Green's function for the finite-sized and finite-conductivity metal strip in our anisotropic layered structure (24) We will not pursue this approach further, other than to say that, although the form has been presented, it does not prove that, in fact, such a closed-form representation can be found. Instead, in order to have some specific rules for constructing the average, resort to a procedure found in [22].…”

Section: General Theorymentioning

confidence: 99%

Dyadic Green's function modifications for obtaining attenuation in microstrip transmission layered structures with complex media

Krowne

2002

IEEE Trans. Microwave Theory Techn.

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Rigorous derivation of the correction to the Green's function for a microstrip structure containing complex layered media is done for imperfect metallization. A hierarchy of formulas is found consistent with a full-wave electromagnetic code employing zero-thickness extent conductors for the guiding structure metal. At the top of the hierarchy are formulas that utilize new Green's functions of the structure, whereas at the bottom are formulas that are only dependent on the conductor geometry and material properties. Numerical examples are provided to show the sensitivity of the propagation constant attenuation to those elegantly simple formulas at the bottom of the hierarchy.

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An approximate parallel-plate waveguide model of a lossy multilayered microstrip line

Kouzaev¹,

Deen²,

Nikolova³

et al. 2005

Microw. Opt. Technol. Lett.

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An analytical model of a lossy microstrip line that is valid at frequencies up to 40 GHz is proposed. The line consists of a two‐layer dielectric substrate and lossy strip. The model is based on the theory of the TM mode of a lossy parallel‐plate waveguide filled with a medium of effective permittivity. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 45: 23–26, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20712

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Comparison of full wave approaches for determination of microstrip conductor losses for MMIC applications

Cited by 16 publications

References 2 publications

A parallel-plate waveguide model of lossy microstrip lines

A parallel-plate waveguide model of lossy microstrip lines

Dyadic Green's function modifications for obtaining attenuation in microstrip transmission layered structures with complex media

An approximate parallel-plate waveguide model of a lossy multilayered microstrip line

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