Matrix Methods for Microstrip Three-Dimensional Problems

Farrar, Andrew; Adams, A.T.

doi:10.1109/tmtt.1972.1127796

Cited by 78 publications

(8 citation statements)

References 8 publications

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“…1 are widely used in various microwave devices, such as microstrip meander delay lines [1,2], slow-wave deflecting systems [3], metamaterials forming [4,5] etc. RMS are also successfully used for the analysis of physical models, for example, complex planar structures [6][7][8], microstrip discontinuities [9][10][11], etc. Main characteristics of an RMS are charge distribution on the microstrip section or total capacitance of this sec- * corresponding author; e-mail: edvardas.metlevskis@el.vgtu.lt tion.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Charge Distribution on Rectangular Microstrip Structures

Metlevskis

Urbanavičius

2011

Acta Phys. Pol. A

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Rectangular microstrip structures are widely used in various microwave devices. Using the method of moments and principle of partial images, various techniques are developed to determine charge distribution in 2D models of microstrip structures (their cross-section). In this paper, a technique for calculating surface charge distribution and total capacitance of complex 3D rectangular microstrip structures is proposed using the mentioned method and principle. To demonstrate feasibility of the proposed technique, five rectangular microstrip structures were investigated. Obtained results are compared with the data published by other researchers. Total error is typically in 6-12% range.

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Section: Introductionmentioning

confidence: 99%

Analysis of Charge Distribution on Rectangular Microstrip Structures

Metlevskis

Urbanavičius

2011

Acta Phys. Pol. A

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“…Evaluation of a capacitance for a round disk capacitor has been studied by some authors [1][2][3][4][5] who were willing to take into account the fringing field effects. In case no rigorous solutions are found, one should resort to approximate solutions, including numerical methods for capacitors with unknown solutions.…”

Section: Introductionmentioning

confidence: 99%

A Numerical Solution for the Round Disk Capacitor by Using Annular Patch Subdomains

Kim¹

2008

PIER B

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Abstract-A numerical method is presented for determining the static charge distribution and capacitance of a round disk capacitor. Based on equivalent surface charge distributions, an integral equation subject to the boundary conditions is transformed into an algebraic equation by using the method of moments. In the proposed scheme to eliminate the discretizing errors often encountered in other techniques, annular patch subdomains are introduced, not only to improve the accuracy of solutions, but also to reduce the matrix size of the resultant equation. By solving the transformed algebraic equation, the charges per unit area on the interfaces are numerically determined. With use of the free charge on plates obtained by using annular patches, the capacitance is more accurately calculated. The equipotential lines around a round disk capacitor are also calculated.In order to show the usefulness of this method, the employed scheme is applied to a single circular disk with an exact solution, and to the dielectric filled capacitor partially covered by plates. Those results are examined and discussions are also made to support the validity of the presented scheme.

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“…Plusieurs travaux basés sur le calcul de la densité de charge des lignes de transmission ont été effectués [1,2,3] et ont abouti à des expressions de capacités dépendant des dimensions du gap, de la constante diélectrique et de la hauteur du substrat semiconducteur.…”

Section: A Modélisation éLectrique En Obscuritéunclassified

Conception de circuits MMIC sur GaAs commandés par voie optique

Faci¹,

Tripon‐Canseliet²,

Deshours³

et al. 2005

J3eA

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Résumé -L'utilisation de l'effet photoconducteur pour contrôler des circuits intégrés microondes est ici exploitée. Le contrôle est effectué sur un composant passif : un gap microruban photocommutateur qui présente l'avantage de pouvoir être intégré aisément dans une technologie de circuits MMIC industrielle. Nous avons développé un modèle de photocommutateur nonlinéaire basé sur les mesures pour la conception d'un oscillateur MMIC à 5 GHz fabriqué selon la technologie UMS PH25 sur GaAs. Cet oscillateur délivre un signal lorsque le gap, placé sur la source du transistor, est éclairé (état ON) et ne fonctionne plus lorsque le gap n'est pas éclairé (état OFF). Ce fonctionnement repose sur la variation de l'impédance équivalente du gap en fonction de la puissance de l'éclairement. Les premiers tests de ce circuit opto-microonde sont présentés.Mots clés: effet photoconducteur, gap microruban, oscillateur microonde.

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Matrix Methods for Microstrip Three-Dimensional Problems

Cited by 78 publications

References 8 publications

Analysis of Charge Distribution on Rectangular Microstrip Structures

Analysis of Charge Distribution on Rectangular Microstrip Structures

A Numerical Solution for the Round Disk Capacitor by Using Annular Patch Subdomains

Conception de circuits MMIC sur GaAs commandés par voie optique

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