Non-linear computer models of field-effect transistors
Rathjen, Arthur David
Chen, S. G.
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Whenever active devices are included in an electronic circuit that is to be analyzed by a computer, appropriate models for these devices must be developed. A lumped large-signal dynamic model of the field-effect transistor (FET) is presented and the procedure for pointwise linearization of this model is described. This linearized model is suitable for use with the TRAC (Transient Radiation Analysis by Computer program) network analysis program. Implementation of this model using TRAC coding was demonstrated by programming an example circuit for each of two basic types of field-effect transistor. The performance of the model in simulating a basic pulse invertor circuit was compares with actual device behavior. Suggestions for extension of this work are included.
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