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- Title
Transient Electro-Thermal Analysis of a Common Source Amplifier Circuit with a Physics-based MOSFET Model.
- Authors
Tao Pan; Dazhi Ding; Hanxiang Li; Xiaolin Cheng
- Abstract
An algorithm that combines a common source amplifier with the physics-based metal-oxidesemiconductor field effect transistor (MOSFET) model is proposed. By solving the coupled drift-diffusion model equations with spectral element time-domain (SETD) method, the distribution of electron quasi-Fermi potential, hole quasi-Fermi potential and the potential inside the MOSFET is obtained. The corresponding current densities and electric intensities distributed in the device can be used to couple the heat conduction equation. Furthermore, the Kirchhoff laws should be satisfied when the MOSFET device is inserted in the circuit. The Newton-Raphson method is used to solve the nonlinear circuit equations due to the existence of semiconductor devices. The transient electro-thermal characteristics of a common source amplifier circuit have been analyzed, and the numerical results demonstrate the validity of the proposed method.
- Subjects
METAL oxide semiconductor field-effect transistor circuits; FIELD-effect transistors; TRANSIENT analysis; ELECTRIC currents; SEMICONDUCTOR devices; METAL oxide semiconductor field-effect transistors; TRANSISTORS
- Publication
Applied Computational Electromagnetics Society Journal, 2019, Vol 34, Issue 7, p1076
- ISSN
1054-4887
- Publication type
Article