package parts "Types of devices supported by SPICELib" annotation ( Window( x=0.03, y=0.02, width=0.24, height=0.45, library=1, autolayout=1), Documentation(info="

Device Models

Device types

The following summary table lists all the device types supported by SPICELib. Each device type is described in detail in the model documentation.

Table 1. Analog device summary.

Package	Model	Device type
parts	Pin	Electric connector
parts.breakout	Ground	'0' ground
parts.breakout	Rbreak	Resistor
parts.breakout	Cbreak	Capacitor
parts.breakout	Lbreak	Inductor
parts.breakout	PSPICE_diode	SPICE2 pspice DIODE
parts.breakout	Spice2MOS1	SPICE2 level1 n-channel MOSFET
parts.breakout	Spice2MOS1P	SPICE2 level1 p-channel MOSFET
parts.source	V	Independent voltage source
parts.source	VEXP	Independent voltage source & EXP stimulus
parts.source	VPULSE	Independent voltage source & PULSE stimulus
parts.source	VPWL	Independent voltage source & PWL stimulus
parts.source	VSIN	Independent voltage source & SIN stimulus
parts.source	VCONST	Independent voltage source & CONST stimulus
parts.source	I	Independent current source
parts.source	IEXP	Independent current source & EXP stimulus
parts.source	IPULSE	Independent current source & PULSE stimulus
parts.source	IPWL	Independent current source & PWL stimulus
parts.source	ISIN	Independent current source & SIN stimulus
parts.source	ICONST	Independent current source & CONST stimulus
parts.source	E	Linear Voltage-Controlled Current Source
parts.source	F	Linear Current-Controlled Current Source
parts.source	G	Linear Voltage-Controlled Current Source
parts.source	H	Linear Current-Controlled Voltage Source

Device models are composed of three formulations:

static,
AC small-signal, and
large-signal.

Each model formulation is described by its own set of equations and variables.

Setting initial conditions

Two procedures are provided by SPICELib to specify the initial conditions:

the IC symbols (see Table 2), and
the IC property of capacitors and inductors.

The IC property allows the user to associate the initial condition with a device, while the IC1 and IC2 pseudocomponents allow the association to be with a node or node pair.

Table 2. Pseudocomponents that specify initial conditions.

Package	Model	Device type
parts.special	IC1	A one-pin symbol that allows you to set the initial condition on a net for both small-signal and transient bias points.
parts.special	IC2	A two-pin symbol that allows you to set initial condition between two nets.

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