Title :
Full implementation of an implicit nonlinear model with memory in an harmonic balance software
Author :
Sommet, R. ; Ngoya, E.
Author_Institution :
IRCOM-CNRS, Limoges, France
fDate :
6/1/1997 12:00:00 AM
Abstract :
This letter describes the mathematical formalism for a full computation of the Jacobian matrix as part of the harmonic balance (HB) technique in the case of implicit nonlinear equations with memory. This new formalism, based on a double Fourier transform of the nonlinearity derivatives versus the time-domain commands, has been developed especially in order to permit the direct coupling of the semiconductor equations of a GaInP/GaAs heterostructure bipolar transistor in a circuit simulator based on the HB analysis technique
Keywords :
Fourier transforms; III-V semiconductors; gallium arsenide; gallium compounds; heterojunction bipolar transistors; indium compounds; microwave bipolar transistors; semiconductor device models; GaInP-GaAs; GaInP/GaAs heterostructure bipolar transistor; Jacobian matrix; circuit simulator; double Fourier transform; harmonic balance software; implicit nonlinear model; memory; semiconductor equation; Analytical models; Circuit simulation; Computational modeling; Coupling circuits; Design automation; Fourier transforms; Iterative methods; Jacobian matrices; Nonlinear equations; Vectors;
Journal_Title :
Microwave and Guided Wave Letters, IEEE
