EXTENDING THE 2-DIMENSIONAL FDTD METHOD TO HYBRID ELECTROMAGNETIC SYSTEMS WITH ACTIVE AND PASSIVE LUMPED ELEMENTS

被引：232

作者：

SUI, WQ

CHRISTENSEN, DA

DURNEY, CH

机构：

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1992年 / 40卷 / 04期

关键词：

D O I：

10.1109/22.127522

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper extends the finite-difference time-domain (FDTD) method to include distributed electromagnetic systems with lumped elements (a hybrid system) and voltage and current sources. FDTD equations that include nonlinear elements like diodes and transistors are derived. Calculation of driving-point impedance is described. Comparison of FDTD calculated results with analytical results for several two-dimensional transmission-line configurations illustrate the accuracy of the method. FDTD results for a transistor model and a diode are compared with SPICE calculations. The extended FDTD method should prove useful in the design and analysis of complicated distributed systems with various active, passive, linear and nonlinear lumped electrical components.

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页码：724 / 730

页数：7

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