User`s guide
The Stimulus Editor Utility 11
-9
8
Move the cursor to (200ns, 1) and click the left mouse
button. This adds the point. Notice that there is
automatically a point at (0,0). Ignore it for now and continue
to add a couple more points to the right of the current one.
9
Click-right to stop adding points.
10
Select Save from the File menu.
If you make a mistake or want to make any changes, reshape the
trace by dragging any of the handles to a new location. The
dragged handle cannot pass any other defined data point.
To delete a point, click its handle and press X.
To add additional points, either select Add Point from the Edit
menu, press A+A, or click the Add Point toolbar button.
At this point you can return to Schematics, edit the current
stimulus, or go on to create another.
Example: sine wave sweep
1
Open an existing schematic or start a new one.
2
Place a VSTIM symbol on your schematic.
3
To name the stimulus, double-click the STIMULUS
attribute and type
Vsin.
4
Double-click the VSTIM symbol to start the Stimulus
Editor.
5
Define the stimulus parameter for amplitude:
a
Select Cancel while in the New Stimulus dialog.
b
Select Parameters from the Tools menu.
c
Enter
AMP=1 in the Definition text box, and click OK.
d
Select New from the Stimulus menu or click the New
Stimulus button in the toolbar.
e
Give the stimulus the name of Vsin.
f
Select SIN as the type of stimulus to be created, and
click OK.
6
Define the other stimulus properties:
a
Enter
0 for Offset Value.
This example creates a 10 K sin
wave with the amplitude
parameterized so that it can be
swept durin
g
a simulation.