User Guide

Chapter 10 Transient analysis
260
Editing a stimulus
To edit an existing stimulus
1 Start the Stimulus Editor and select Get from the
Stimulus menu.
2 Double-click the trace name (at the bottom of the X
axis for analog). This opens the Stimulus Attributes
dialog box where you can modify the attributes of the
stimulus directly and immediately see the effect of the
changes.
To edit a PWL stimulus
1 Double click the trace name. This displays the handles
for each defined data point.
2 Click any handle to select it. To reshape the trace, drag
it to a new location. To delete the data point, press X.
3 To add additional data points, either select Add from
the Edit menu or click the Add Point button.
4 Right-click to end adding new points.
To select a time and value scale factor for PWL
stimuli
1 Select the PWL trace by clicking on its name.
2 Select Attributes from the Edit menu or click the
corresponding toolbar button.
PWL stimu
l
i are a
l
itt
l
e
d
i
ff
erent since t
h
ey
are a series of time/value pairs.
T
h
is provi
d
es a
f
ast way to sca
l
e a PWL
stimulus.
Pspug.book Page 260 Wednesday, November 11, 1998 1:14 PM