This walk-through demonstrates how create copper pours in OrCAD PCB Designer 22.1 (2022). After you complete this topic, you will be able to:
To follow along, continue with the design from the previous lesson or use the downloaded materials.
If materials were not downloaded at the start of the walk-through, they can be accessed in the Materials tab of this lesson.
Step 1: Expand the Interconnect category in the Design Workflow. Select Shapes > Rectangular.
Step 2: Select the Options tab.
Step 3: Select Etch from the Active Class drop-down menu and Bottom from the Active Subclass dropdown.
Step 4: Select GND from the dropdown under Assign Net Name.
Step 5: Click to start drawing a rectangle. Draw the rectangle over half the board. Click again to finish the drawing.
Step 6: Draw an overlapping rectangle over half of the remaining empty space in the board. Right-click and select Done.
Step 7: Select Setup > Application Mode > Shape Edit from the menu.
Note: Alternatively, you can change the application mode by selecting the wrench/screwdriver icon in the bottom-right corner of the screen and select the desired mode from the resulting pop-up menu.
Step 8: Right-click either of the shapes and select Merge Shapes.
Step 9: Click the other shape. The shapes have been merged into one.
Step 10: In the Design Workflow, select Interconnect > Shapes > Polygon.
Step 11: In the Options tab, select GND from the Assign Net Name dropdown.
Step 12: Click to place the first corner of the polygon.
Step 13: Draw the polygon over the remainder of the board.
Step 14: When all sides of the polygon are complete except the last connection, right-click and select Complete.
Note: This will automatically finish the final connection and complete the polygon shape.
Step 15: Right-click and select Done.
Step 16: Right-click the polygon and select Merge Shapes.
Step 17: Select the merged rectangular shapes to add the polygon.
Step 18: In the Visibility panel, un-check the All checkbox for Conductors to turn off conductor visibility.
Step 19: Select Edit > Split Plane from the menu.
Step 20: Select Powerplane_1 from the drop-down menu and click Create.
Step 21: The Select a Net window opens. Select 3.3V from the list and click OK.