User`s guide

5
-
26 Creatin
g
Symbols for Models
If the correspondence between pin names and nodes is as
follows:
then the template would look like this:
X^@REFDES %IN+ %IN- %OUT+ %OUT- @MODEL
The rules of agreement are outlined in Figure 5-1.
Fi
g
ure 5-1
Rules for Pin Callout in Subcircuit Templates
This node
name...
Corresponds to this pin
name...
10 IN+
3IN-
27 OUT+
2 OUT-
Number of nodes in first line
of subcircuit definition
must equal
must match
must match
Se
q
uence of nodes in first line
of subcircuit definition
Number of pins called out
in template
Se
q
uence of pins called out
in template
Number of
modeled
* pins
shown in s
y
mbol
Names of pins called out
in template
Names of
modeled
* pins
shown in s
y
mbol
* Unmodeled pins may appear on a symbol (like the two voltage offset pins on a 741 opamp symbol).
These pins are not netlisted, and do not appear on the template.
must equal