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

Nonquasi-static (NQS) Model

The following equivalent circuit is used if nqsmod = 1. (Only the intrinsic transistor is affected by NQS. The extrinsic components remain the same).

Quasi-static equilibrium channel charge:

(-196)

Actual channel charge and Qdef obtained from subcircuit:

(-197)

(-198)

(-199)

where

ε ≡ Elmore Constant (default = 5)

0.0 ≤ α ≤ 1.0 (default = 0.5)

and

(-200)

(-201)

Related Topics

BSIM3v3 Level-11 Model (bsim3v3)

LOD Model

Nonquasi-static (NQS) Model

SPICE3 Junction Diode Model


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