
5
-
26 Creatin
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
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
uence of nodes in first line
of subcircuit definition
Number of pins called out
in template
Se
uence of pins called out
in template
Number of
modeled
* pins
shown in s
mbol
Names of pins called out
in template
Names of
modeled
* pins
shown in s
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
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