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Constraint Manager,DRC error

  • Line to Shape Spacing DRC on Every Trace

    Hello, I am just starting out with OrCAD 16.5 and I had a few questions. 1. I have imported a design from Capture but in connecting the traces I have a "Line to Shape Spacing" DRC at pretty much every 45* angle junction. It says "constraint value 5mil, actual value 0mil." It's...
    Posted to PCB Design (Forum) by Grue42 on Tue, Oct 23 2012
  • Different Force and Sense Line Widths using Pin Pair Physical Constraints

    Hi all, I have been trying to find a method to specify different line widths for the same net. Specifically, I need a force line and sense line to be routed separately to single DuT pin. These lines should be different line widths since the force line carries high current and the sense line doesn't...
    Posted to PCB Design (Forum) by jackg23 on Tue, Feb 1 2011
  • PCB autorouter(spectraa) not converging

    Hi, I am making my first pcb with a xilinx fpga device(256 pin BGA package).I am simply connecting the all I/O's to 4 standard 40 pin connectors.Are padstacks necessary for PCB routing??.I have drawn the schematic in Capture imported it to Layout_Plus and autorouted it. But after 3 hours of autorouting...
    Posted to PCB Design (Forum) by bennyn1 on Thu, Sep 2 2010
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