Using Differential Pairs in Allegro PCB Editor
February 9, 2012 6 Product Version 16.5
The Differential Pair Automatic Setup form opens..
Use this form to create differential pairs based on specific prefixes and filters. For
example, if the net names that form differential pairs are CH1_1553+ and
CH1_1553-, you can set the value of Prefix as CH, + Filter as "+", and – Filter as "-".
This settings will display all the nets that begin with CH and end with "+" or "-".
3. Select Create to create the differential pairs automatically.
Differential Pair Calculator
The Differential Pair Calculator is used to perform what-if analysis to determine what
values of Primary gap and width are needed to get specific differential and single line
impedance.
