SIT Curve Fitter

Rothacher Model Parameter Extraction using Nelder-Mead Optimization

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Rothacher SIT Model

Id = K · (Vg + Vct + N·ln(Vd) + Vd/μ)X
Model: "A Concise Model for Static Induction Transistor IV Characteristics" by Michael Rothacher, Linear Audio Vol 6
Gain coefficient
Amplification factor
Log Vd coefficient
Exponent
Threshold offset

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Fit Results

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IV Curve Plot

SPICE Subcircuit Model

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