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Transistor Parameters from Inversion Coefficient
This tool calculates Vgs and Vdsat for all inversion regions from weak to moderate to strong of a MOS device. The substrate back biasing is also taken into account (Vs is defined with respect to bulk voltage). These formulas give a good fit with the simulator outputs across the whole range of inversion coefficients..

Block diagram

Inversion Coefficient (> 0)
Weak Inversion Slope: n
Source Voltage: Vs V
Vgs-Vt V
Vdsat V
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