Entity — SPICE (Simulation Program with Integrated Circuit Emphasis)

A circuit simulator. This article implements the extracted non-linear capacitance with a behavioral model.

Behavioral Non-linear Capacitance Implementation

Implement i = C(v)·ddt(v) with a current source G to ensure charge conservation and transient convergence, for example:
G_CGD G D VALUE = { (9.2p + 794.8p / (1 + PWR(V(D,S)/1.07, 2))) * ddt(V(G,D)) }