PSpice User Guide

PSpice User Guide

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PSpice User Guide Transient analysis October 2019 543 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. Editing a stimulus To edit an existing stimulus 1. Start the Stimulus Editor and select File, Open to open the required Stimulus library. 2. Double-click the trace name (at the bottom of the X axis for analog and to the left of the Y axis for digital traces.) 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 Note: PWL stimuli are a little different since they are a series of time/value pairs. 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 Delete. 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 . Note: The above procedure provides a fast way to scale a PWL stimulus.

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