User Guide

Chapter 10 Transient analysis
258
e Give the stimulus the name of Vsin.
f Select SIN as the type of stimulus to be created,
and click OK.
7 Define the other stimulus properties:
a Enter
0 for Offset Value.
b Enter
{AMP} for Amplitude. The curly braces are
required. They indicate that the expression needs
to be evaluated at simulation time.
c Enter
10k for Frequency and click OK.
d From the File menu, choose Save.
8 Within Capture, place and define the PARAM symbol:
a From the Place menu, choose Part.
b Either browse SPECIAL.OLB for the PARAM part
or type in the name.
c Place the part on your schematic and double-click
it.
d Click New to add a new user property.
e Set the value property name to AMP (no curly
braces).
f Set the value of the VALUE1 property to 1.
9 Set up the parametric sweep and other analyses:
a From the PSpice menu, choose Stimulus Editor,
and click the Parametric Sweep button.
b Select Global Parameter in the Swept Var. Type
frame.
c Select Linear in the Sweep type frame.
10 Enter
AMP in the Name text box.
11 Specify values for the Start Value, End Value, and
Increment text boxes.
You can now set up your usual Transient, AC, or DC
analysis and run the simulation.
Pspug.book Page 258 Wednesday, November 11, 1998 1:14 PM