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Allegro – Tip of the week: Voiding GND clines through GND plane

PCBTech

Here is the method to auto-void GND sense lines being routed through a GND plane. In the following example, a GND net is routed through a GND shape.

To achieve this, use the ‘VOID_SAME_NET' property on the cline.

The VOID_SAME_NET property, attached to a cline, shapes, and etch-filled rectangles, lets you selectively void an object that is on the same net and layer as a shape to permit routing of return paths. The VOID_SAME_NET property also supports the overlapping of the same net shapes.

Team PCBTech

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