PSpice User Guide

PSpice User Guide

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PSpice User Guide Simulation examples October 2019 131 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. 7. Click in the db level down for bandwidth calc text box and type 3. 8. Click the Next> button. The wizard displays the gain trace for the first run (R=100) and shows how the bandwidth is measured. This is done to test the measurement. 9. Click the Next> button or the Finish button. A plot of the 3dB bandwidth vs. Rval appears. 10. Change the x-axis to log scale: a. From the Plot menu, choose Axis Settings. b. Click the X Axis tab. c. Under Scale, choose Log. d. Click OK. To plot gain vs. Rval manually 1. From the Plot menu, choose Add Y Axis. 2. From the Trace menu, choose Add Trace to display the Add Traces dialog box. 3. In the Functions or Macros frame, select the Measurements list, and then click the Max(1) measurement. The Trace list includes measurements expressions only in performance analysis mode when the x-axis variable is the swept parameter. 4. In the Simulation Output Variables list, click V(out). 5. In the Trace Expression text box, edit the text to be Max(V(out)), then click OK. PSpice displays gain on the second y-axis vs. Rval.

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