A straightforward method for the FDTD analysis of quasi-optical arrays of active devices

Author

Ren, Jishi ; Wang, Xudong ; Hwu, R. Jennifer

Author_Institution

Dept. of Electr. Eng., Utah Univ., Salt Lake City, UT, USA

Volume

47

Issue

2

fYear

1999

fDate

2/1/1999 12:00:00 AM

Firstpage

189

Lastpage

197

Abstract

A method for the finite-difference time-domain (FDTD) analysis of quasi-optical circuit arrays of active devices is presented in this paper. To analyze active devices such as varactor diodes and MESFETs, this method creates a set of field-state central finite-difference equations, and all the field and state variables are solved simultaneously at the same FDTD time step. It will be shown in this paper that this formulation is simple and straightforward. The analyses of quasi-optical back-to-back varactor tripler and MESFET oscillator arrays have been performed to show different applications of this method. Excellent agreements have been obtained among the results from this simulation method, analytical solutions and commercial software, and experimental measurements to show the validity of this method

Keywords

MESFET integrated circuits; field effect MIMIC; finite difference time-domain analysis; millimetre wave oscillators; nonlinear network analysis; varactors; FDTD analysis; MESFETs; active devices; back-to-back tripler; field-state central finite-difference equations; quasi-optical arrays; varactor diodes; Application software; Circuit analysis; Diodes; Equations; Finite difference methods; MESFETs; Oscillators; Performance analysis; Time domain analysis; Varactors;

fLanguage

English

Journal_Title

Microwave Theory and Techniques, IEEE Transactions on

Publisher

ieee

ISSN

0018-9480

Type

jour

DOI

10.1109/22.744294

Filename

744294