PSpice User Guide

PSpice User Guide

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PSpice User Guide Monte Carlo and sensitivity (worst-case) analyses October 2019 577 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. To replace R1, R2, R3, and R4 with the RBREAK part 1. Click R1 to select it. 2. Hold down the Ctrl key and click R2, R3 and R4 to add them to the selection set. 3. Press Delete to delete the selection set. 4. From the Place menu, choose Part. 5. Type RBREAK in the Part text box. (If RBREAK is not available, click the Add Library button and select BREAKOUT.OLB to configure it for use in Capture.) 6. Click OK. 7. Manually place the RBREAK part in the circuit diagram where R1, R2, R3 and R4 were located. 8. Double-click on each RBREAK part and change the reference designators as desired. Saving the design Before editing the models for the Rbreak resistors, save the schematic. To save the design 1. From Capture's File menu, choose Save. Defining tolerances for the resistor models This section shows how to assign device (DEV) and lot (LOT) tolerances to the model parameters for resistors R1, R2, R3, and R4 using the model editor. You can use the model editor to change the .MODEL or .SUBCKT syntax for a model definition. To find out more about the model editor, see Editing model text on page 235, or refer to the online PSpice Reference Guide.

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