Creating Bode plots using PSpice and PSpice A/D with Schematics


PROBLEM:
How do I Create Bode Plots Using PSpice and PSpice A/D with Schematics?

SOLUTION:
In Schematics:
  1. Draw your circuit schematic, including DC power supplies.

  2. Use a Vac symbol as the input (stimulus) source, and edit its attributes to set ACMAG=1.

  3. Double-click the wire that represents the output node and label it OUT.

  4. In Schematics, from the Markers menu, choose Mark Advanced select VCB, then place it on the output wire/node.

  5. Repeat Step 4 for a VPHASE marker.

  6. From the Analysis menu, choose Setup, then click AC Sweep. Define the sweep's type, range, and resolution.

  7. From the Analysis menu, choose Probe Setup, then select Automatically Run Probe After Simulation.

  8. From the Analysis menu, choose Simulate.

When the simulation ends, Probe starts and displays the dB and phase traces. In Probe:

  1. From the Plot menu, choose Add Y-Axis.

  2. Below the x-axis, click the text Vp(out). It turns red when selected.

  3. From the Edit menu, choose Cut.

  4. From the Edit menu, select Paste.

Notes Document number: PSP02014
Applies to: PSpice (All)
Created on: Friday, April 17, 1998
Last modified: Wednesday, January 27, 1999

Copyright © 2005, Cadence Design Systems, Inc.
All rights reserved.