Lesson 4: Bias Point Simulation

This walk-through will show how to set up a PSpice simulation. After you complete this topic, you will be able to:

To follow along, continue with the design from the previous topic or use the provided materials.

If materials were not downloaded at the beginning of the walk-through, files for this lesson can be accessed through the materials tab above.

Step 1: Select PSpice > New Simulation Profile from the menu.

Step 2: Name the simulation profile Bias_Point and click Create.

Step 3: Select Bias Point from the Analysis Type drop-down menu.

Step 4: Leave the settings as the defaults and click OK.

Step 5: Select PSpice > Run from the menu or the Run button on the toolbar to start the simulation.

Step 6: The PSpice A/D window will open but not show a plot. Close the window.

Note: A bias point simulation will not show anything in the plot window.

Step 7: Select the Enable Bias Voltage Display button from the toolbar.

Note: This can also be activated by selecting PSpice > Bias Points > Enable Bias Voltage Display.

Step 8: View the bias point result voltages at each net in the schematic.

Step 9: Select the Enable Bias Voltage Display button to toggle the voltage display off.

Step 10: Select Enable Bias Current Display button from the toolbar.

Note: This can also be activated by selecting PSpice > Bias Points > Enable Bias Current Display.

Step 11: View the bias point result currents for each component.

Note: Current bias point values are displayed on the component pins.

Step 12: Select the Enable Bias Current Display button to toggle the current display off.

Step 13: Select Enable Bias Power Display button from the toolbar.

Note: This can also be activated by selecting PSpice > Bias Points > Enable Bias Power Display.

Step 14: View the bias point results. The power dissipated (positive) or supplied (negative) by each component is shown in the schematic.

Step 15: Select Enable Bias Power Display button to toggle the power display off.

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