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Harmonic solution of semiconductor transport equations for microwave and millimetre‐wave device modelling
Author(s) -
Acciari Gianluca,
Leuzzi Giorgio,
Giannini Franco
Publication year - 2004
Publication title -
international journal of rf and microwave computer‐aided engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.335
H-Index - 39
eISSN - 1099-047X
pISSN - 1096-4290
DOI - 10.1002/mmce.10116
Subject(s) - microwave , discretization , waveform , harmonic balance , nonlinear system , harmonic , time domain , fourier series , frequency domain , semiconductor device , semiconductor , physics , mathematical analysis , electronic engineering , acoustics , mathematics , materials science , computer science , engineering , optoelectronics , quantum mechanics , voltage , computer vision , layer (electronics) , composite material
The hydrodynamic transport equations for charges in a semiconductor have been solved for a periodic excitation by means of a harmonic approach, in order to model microwave and millimetre‐wave active devices. The solution is based on the expansion of physical variables in a Fourier series in the time domain, and on discretisation in the space domain. A waveform‐balance technique in the TD is used to solve the nonlinear equations system. This approach allows for a longer time step with respect to standard TD solutions for most cases of interest, greatly reducing simulation time by at least two orders of magnitude in typical cases. © 2003 Wiley Periodicals, Inc. Int J RF and Microwave CAE 14: 36–48, 2004.
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