Application of the FD-TD method to the analysis of circuits described by the two-dimensional vector wave equation

Author

Gwarek, Wojciech K. ; Morawski, Tadeusz ; Mroczkowski, Cezary

Author_Institution

Fac. of Electron., Warsaw Univ. of Technol., Warszawa, Poland

Volume

41

Issue

2

fYear

1993

fDate

2/1/1993 12:00:00 AM

Firstpage

311

Lastpage

317

Abstract

A class of microwave circuits described by a two-dimensional vector wave equation is defined. It is proposed to refer to them as vector two-dimensional or 2-DV circuits to distinguish them from circuits described by a two-dimensional scalar wave equation (typically referred to as 2-D circuits). It is shown that the 2-DV class contains some planar circuits filled with anisotropic media, two-dimensional waveguide discontinuities, and circular waveguide discontinuities. Calculation of dispersion characteristics of inhomogeneously filled hollow waveguides is an eigenvalue problem belonging to the 2-DV class. Application to the finite-difference-time-domain (FDTD) method to the analysis of 2-DV circuits is described. Examples show the efficiency of the method for several types of circuit

Keywords

distributed parameter networks; finite difference time-domain analysis; linear network analysis; microwave circuits; waveguide theory; FD-TD method; anisotropic media; circular waveguide discontinuities; dispersion characteristics; eigenvalue problem; finite-difference-time-domain; inhomogeneously filled hollow waveguides; microwave circuits; planar circuits; two-dimensional vector wave equation; two-dimensional waveguide discontinuities; Anisotropic magnetoresistance; Circuit analysis; Eigenvalues and eigenfunctions; Finite difference methods; Hollow waveguides; Microwave circuits; Partial differential equations; Planar waveguides; Two dimensional displays; Waveguide discontinuities;

fLanguage

English

Journal_Title

Microwave Theory and Techniques, IEEE Transactions on

Publisher

ieee

ISSN

0018-9480

Type

jour

DOI

10.1109/22.216473

Filename

216473