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constraints,Allegro PCb

  • converting library footprints from protel to allegro

    Hi All, I have some basic doubt in converting library footprints from protel to allegro. Is it possible to convert ? Moreover am using allegro 15.2ver .In this there is no option to import protel board files. It has only import-->pads & pcad. Please help me with the procedure to do this if its...
    Posted to PCB Design (Forum) by Anonymous on Thu, Nov 25 2010
  • 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
  • Regarding Models

    Hi All, I am currently using 15.7 Allegro PCB Design XL. I have assigned Models to components to assign XNET properties. Whenever I am changing the board file name is getting changed or when i am sharing the .brd filw iwth any of my collegues the Models are getting lost and thenit is throwing DRC's...
    Posted to PCB Design (Forum) by kingshar on Wed, May 26 2010
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