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 Differential Pair - Z Axis Spacing 

Last post Tue, Feb 15 2011 11:52 AM by lcanx2. 1 replies.
Started by Liana 15 Feb 2011 10:01 AM. Topic has 1 replies and 1535 views
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  • Tue, Feb 15 2011 10:01 AM

    • Liana
    • Not Ranked
    • Joined on Fri, Mar 20 2009
    • Posts 7
    • Points 110
    Differential Pair - Z Axis Spacing Reply

    I am working with several hundered diff pairs and need to maintain a pair to pair minimum spacing on both the same and adjacent layers.  Is there a way to set this up in constraint manager?  I am running 16.3

     Also, is there a new "Best Practices" paper for working with Differerential pairs in 16.3? 

    Thanks,

    Liana

     

    • Post Points: 20
  • Tue, Feb 15 2011 11:52 AM

    • lcanx2
    • Top 500 Contributor
    • Joined on Mon, Sep 15 2008
    • Marlborough, MA
    • Posts 20
    • Points 285
    Re: Differential Pair - Z Axis Spacing Reply
    Liana, I am unclear about how to define that in CM.  However, with “several hundred diff pairs” you might want to try the PCB Router.  It has a “PCB Interlayer Clearance Rule” with which you might achieve the z-axis constraint you require, as well as assist you with all that routing.  Obviously, post routing DRC checks are still going to be an issue without some type of z axis rule. Regards,

    Bill
    • Post Points: 5
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Started by Liana at 15 Feb 2011 10:01 AM. Topic has 1 replies.