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Large-signal performance of measurement-based diode models for nonlinear circuit simulation: a comparison

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3 Author(s)
Pirola, M. ; Dipartimento di Elettronica, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy ; Root, D.E. ; Ghionet, Giovanni

This paper presents a new, extensive investigation of the large-signal behaviour of two measurement based mathematical diode models. A physics-based dynamic nonlinear model of a p+n diode, and the Nonlinear Integral Model [1] derived from the former model's small-signal admittances are compared. Despite the exact agreement in DC and small-signal conditions, the large-signal behaviour of the two models is shown to be different. A varactor frequency multiplier design is developed to assess the impact of this model difference on the analysis and optimization of strongly nonlinear circuits.

Published in:

Microwave Conference, 1995. 25th European  (Volume:2 )

Date of Conference:

4-4 Sept. 1995