PSpice User Guide

PSpice User Guide

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PSpice User Guide Creating and editing models October 2019 215 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. To save the new model (and part) 1. From the File menu, choose Save to update MODEL_LIBRARY_NAME.LIB, MODEL_LIBRARY_NAME.PRP (and, if you enabled part creation, MODEL_LIBRARY_NAME directory), and save them to disk. Note: To simulate the model, add the Model Library (.LIB) to the project using the PSpice menu, Edit Profile, Simulation Settings dialog box. Click the Configuration Files tab, click Library in the Category field, browse to the Model Library, and click the Add to Design button. Running the Model Editor from the schematic editor Start the Model Editor from the schematic editor when you want to: ■ in Capture to define tolerances on model parameters for statistical analysis (see Example: editing a Q2N2222 instance model on page 237) ■ test behavior variations on a part, or ■ refine a model before making it available to all designs. This means editing models for part instances on your schematic page. When you select a part instance and edit its model, the Model Editor automatically creates an instance model that you can then change. Once you have started the Model Editor, you can proceed with entering data sheet information and model fitting as described in How to fit models on page 207. You can also use the Model Editor to view the syntax for a model definition. When you have finished viewing, be sure to quit the Model Editor without saving the library, so that the schematic page editor does not create an instance model. Note: When the Model Editor is invoked from a schematic editor, the part creation feature is disabled.

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