Accurate capacitance/current-voltage based lookup-table diode model

Le résumé fourni par la source

A capacitance and Current look-up table based large-signal Phemt-diode model is presented based on an ensemble of bias-dependent small-signal equivalent circuits. The model is capable of accurate simulation of bias-dependent small-signal S-parameters and current performance over the data-acquisition bias range. Instead of charge model in conventional Root diode model, capacitance as function of voltage is used. Compared to charge model, capacitance gives more accuracy that fits to higher order of derivatives and avoids potential data instability. The model has also accurate leakage model and can be used for a variety of applications where accurate nonlinearity is of primary concern. The validity of the model is demonstrated by comparing the simulation of DC curves, leakages, and small-signal S-parameters over a wide bias range, by comparison of the measured data.

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