A general formulation for connecting sources and passive lumped-circuit elements across multiple 3-D FDTD cells

A previous extension of the finite-difference time-domain (FDTD) method to include lumpedcircuit elements is further extended to model lumped-element circuits connected across multiple FDTD cells. This formulation is needed to model many kinds of circuits, like those with a transistor or other activ...

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Veröffentlicht in:	IEEE microwave and guided wave letters 1996-02, Vol.6 (2), p.85-87
Hauptverfasser:	Durney, C.H., Wenquan Sui, Christensen, D.A., Jingyi Zhu
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Cities and towns Dielectric devices Distributed parameter circuits Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Finite difference methods Integral equations Joining processes Maxwell equations Microwave circuits Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Time domain analysis
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Beschreibung
Zusammenfassung:	A previous extension of the finite-difference time-domain (FDTD) method to include lumpedcircuit elements is further extended to model lumped-element circuits connected across multiple FDTD cells. This formulation is needed to model many kinds of circuits, like those with a transistor or other active device connected across a transmission line with more than one dielectric. The FDTD analysis of a shielded suspended microstrip transmission line excited by a current source in parallel with a resistance illustrates the usefulness of the formulation.
ISSN:	1051-8207 1558-2329
DOI:	10.1109/75.481997