Product Documentation
Spectre Circuit Simulator Components and Device Models Reference
Product Version 23.1, June 2023

13


Common MOSFET Equations

Spectre® circuit simulator has the following public-domain MOSFET models: Level-1, Level-2, Level-3, EKV, BSIM1 (Level-4), BSIM2 (Level-5), BSIM3v2, and 7BSIM3v3.

When the Spectre option approx is set to yes, pow() in the junction depletion capacitance calculation and sqrt() in the BJT and MOSFET level 1-5 models are replaced by a spline-function approximation. For more information, see spectre -h options.

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