A table lookup FET model for accurate analog circuit simulation

A table-based approach to the empirical modeling off FETs in circuit simulators addresses the specific requirements of analog circuit design, such as accuracy in reproducing small-signal parameters, large signal nonlinearities, subthreshold characteristics, substrate effects, short-channel effects,...

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Bibliographic Details
Published in:IEEE transactions on computer-aided design of integrated circuits and systems 1993-02, Vol.12 (2), p.324-335
Main Authors: Rofougaran, A., Abidi, A.A.
Format: Article
Language:English
Subjects:
Analog circuits
Applied sciences
Capacitance
Circuit analysis computing
Circuit properties
Circuit simulation
Computational modeling
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
FETs
Signal design
SPICE
Table lookup
Voltage
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Summary:A table-based approach to the empirical modeling off FETs in circuit simulators addresses the specific requirements of analog circuit design, such as accuracy in reproducing small-signal parameters, large signal nonlinearities, subthreshold characteristics, substrate effects, short-channel effects, and voltage dependent capacitances. Efficiencies in storage and computation brought about by this model in SPICE considerably speed up circuit simulation, compared to an analytical model offering similar accuracy. Methods are described to extract the table entries. The model is not specific to any one type of device or technology, although examples are given of how it may be simplified by using physical insights into device operation.< >
ISSN:0278-0070
1937-4151
DOI:10.1109/43.205011