Differential Pair

Now reading version 16.1. For the latest, read: Differential Pair for version 21

The Differential Pair dialog.
The Differential Pair dialog.

Summary

The Differential Pair dialog allows designers to define differential pairs for PCB tracks.

Access

In the PCB panel, select the Differential Pairs Editor mode. Double-click on an existing differential pair or click Add or Edit to access the dialog.

Options/Controls

  • Positive Net - Shows the positive (+) net in the current differential pair. Differential pairs use a naming convention that requires the relevant nets to use a common prefix, followed by a consistent positive/negative suffix, e.g., TX0_P and TX0_N. Click the arrow to view and select a net. Click in the field to edit the net name and add your positive suffix.
  • Negative Net - Shows the negative (-) net in the current differential pair. Differential pairs use a naming convention that requires the relevant nets use a common prefix, followed by a consistent positive/negative suffix, e.g., TX0_P and TX0_N. Click the arrow to view and select a net. Click in the field to edit the net name and add your negative suffix.
  • Name - Shows the current name for this differential pair. Edit this field to create or modify the name.
Note

The features available depend on your level of Altium Designer Software Subscription.