Ground plane on bottom layer in PCB Design - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a ground plane on the bottom layer.

PCB Design

AddPolygon([1], layer='Bottom', net='GND')

Drag options to blanks, or click blank then click option'

Avertices

Bpoints

Cpads

Dtracks

Attempts:

3 left

💡 Hint

Common Mistakes

Using pads or tracks instead of vertices to define the polygon.

The ground plane is created by defining a polygon with vertices on the bottom layer connected to the GND net.

2fill in blank

medium

Complete the code to set the clearance for the ground plane on the bottom layer.

PCB Design

SetClearance([1], layer='Bottom', net='GND')

Drag options to blanks, or click blank then click option'

A1.0mm

B0.5mm

C0.2mm

D2.0mm

Attempts:

3 left

💡 Hint

Common Mistakes

Setting clearance too large or too small causing design rule violations.

A clearance of 0.2mm is typical to avoid short circuits between the ground plane and other nets.

3fill in blank

hard

Fix the error in the code to correctly assign the ground plane to the bottom layer.

PCB Design

CreatePlane(net='GND', layer=[1])

Drag options to blanks, or click blank then click option'

A'Top'

B'Bottom'

C'Inner1'

D'Silk'

Attempts:

3 left

💡 Hint

Common Mistakes

Assigning the plane to the top or silk screen layers by mistake.

The ground plane must be assigned to the 'Bottom' layer to be on the bottom side of the PCB.

4fill in blank

hard

Fill both blanks to create a ground plane with a thermal relief on the bottom layer.

PCB Design

AddThermalRelief([1], net='GND', layer=[2])

Drag options to blanks, or click blank then click option'

Apolygon

Bpad

C'Bottom'

D'Top'

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'Top' layer or applying thermal relief to pads instead of polygons.

The thermal relief is added to a polygon on the 'Bottom' layer connected to the GND net.

5fill in blank

hard

Fill all three blanks to define a ground plane with a clearance and thermal relief on the bottom layer.

PCB Design

DefinePlane(net=[1], layer=[2], clearance=[3])

Drag options to blanks, or click blank then click option'

A'GND'

B'Bottom'

C0.2mm

D'VCC'

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong net like 'VCC' or wrong layer like 'Top'.

The ground plane is defined on the 'Bottom' layer with a clearance of 0.2mm connected to the 'GND' net.