# PSPICE SYNTAX & COMMAND SUMMARY

### C - Capacitor

```General Format:

C|name| |+ node| |- node| {model name} |value|
+     {IC = |initial value|}

The |+ node| and |- node| define the polarity of the capacitor.
Positive current flows from the |+ node| to the |- node|.

{model name} is optional and if not included then |value| is
the capacitance in farads.  If {model name} is specified then
the capacitance is given by :

Ctot = |value|*C*(1+VC1*V+VC2*V^2)*[1+TC1*(T-Tnom))+TC2*(T-Tnom)^2]

where C, VC1, VC2, TC1, and TC2 are described below.
Ctot is the total capacitance.  V is the voltage across the capacitor.
T is the simulation temperature.  And Tnom is the nominal temperature
(27C unless set by .OPTIONS TNOM command)

|value| can either be positive or negative.

{IC = |initial value|} gives PSPICE an initial guess for voltage across
the capacitor during bias point calculation and is optional.

The capacitor does not have a noise model.

Model Parameters :
Name     Description
-------  -------------------------------------------------------
C        capacitance multiplier
Default value = 1
VC1      linear voltage coefficient
Default value = 0 ; Units = volt^-1
VC2      quadratic voltage multiplier
Default value = 0 ; Units = volt^-2
TC1      linear temperature coefficient
Default value = 0 ; Units = ĪC^-1
TC2      quadratic temperature coefficient
Default value = 0 ; Units = ĪC^-2

Example :

C1 1 0 20pF
defines a 20pF capacitor between nodes 1 and 0.
```

COMPONENTS
B C D E F G H I J K L M Q R S T V W X Sources

COMMANDS
* ; + .AC .DC .END .ENDS .FOUR .IC .INC .LIB .MC .MODEL .NODESET .NOISE
.OP .OPTIONS .PLOT .PRINT .PROBE .SENS .SUBCKT .TEMP .TF .TRAN .WIDTH