User`s guide
3
-
30 Preparin
g
a Schematic for Simulation
Check for this if the part in question is custom-
built
Are there blank (or inappropriate) values for the symbol’s
MODEL and TEMPLATE attributes?
If so, load this symbol into the symbol editor and set these
attributes appropriately. One way to approach this is to edit the
symbol that appears on your schematic.
To edit the attributes for the s
y
mbol in question
1
In the schematic editor, select the symbol.
2
From the Edit menu, select Symbol.
The symbol editor window appears with the symbol already
loaded.
3
From the Part menu, select Attributes and proceed to change
the attributes values.
Unconfi
g
ured Model, Stimulus,
or Include Files
If you see messages like these in the Message Viewer,
(
schematic_name
) Floating pin:
refdes
pin
pin_name
Floating pin:
pin_id
File not found
Can’t open stimulus file
or messages like these in the PSpice output file,
Model
model_name
used by
device_name
is
undefined.
Subcircuit
subckt_name
used by
device_name
is undefined.
Can’t find .STIMULUS “
refdes
” definition
then you may be missing a model library, stimulus file, or
include file from the configuration list, or the configured file is
not on the library path.
To find out more about settin
g
the simulation attributes for
symbols, see
Defining Symbol
Attributes Needed for
Simulation on page 5-18.
To find out more about usin
g
the
symbol editor, refer to your
M
icroSim Schematics User’s
Guide
.