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Allegro PCB Design XL

  • Script/Source files nested too deeply

    After I installed Cadence 16.5 on one of our machine and when I try to open it I got this error (see below image) –any suggestion? Script/Source files nested too deeply Unable to find the messaging system module definitions file 'allegro_smi_modules.txt' ERROR: Could not initialize the...
    Posted to PCB Design (Forum) by patricksingr on Wed, May 14 2014
  • Routing over voids

    Does Cadence have a function to help us indentify routing over voids and splits for high speed nets we care about? If yes, where can i find it? T hanks, Patrick
    Posted to PCB Design (Forum) by patricksingr on Fri, Mar 28 2014
  • Problem in accesing to PCB edit tools of Allegro 16.5

    I use Allegro16.5 under linux but today I can't access to PCB edit section. When I click on "Layer" or "PCB symbol Editor" icon in Allegro PCB Librarian, nothing happens! and on statusbar it shows "Exiting ... $CDS_INST_DIR/tools/fet/bin/LibFlow". What is the problem...
    Posted to PCB Design (Forum) by SoheilMah on Fri, Dec 13 2013
  • Why the same net via and shape can not connect togeter?

    I have met a problem when use 16.5 in divide power layer, the same net with the dynamic shape and via cannot connect together. just like pic as follow or link. The via avoid the shape. And I want to know how to solve it, thanks a lot! http://xiangce.baidu.com/picture/detail/8f2f80782f2eeecf44752e05fa10543a59b5931c
    Posted to PCB Design (Forum) by Sunner on Fri, Nov 22 2013
  • Allegro Placement Challenge

    I am working on a project that consists of 2 boards placed one directly above the other very close together. They are so close that the component heights of parts on the bottom side of the board above will affect the placement of parts on the board below. In effect I will be interleaving the tall and...
    Posted to PCB Design (Forum) by RTMORA2 on Mon, Aug 12 2013
  • cant start specctra with design

    Hello is any one knowingsolution for this please help me. When i click on route->PCb router->Route Automatic then its showing error as cant start specctra with design Thanks abubakar
    Posted to PCB Design (Forum) by abubakar on Sun, Jul 21 2013
  • Board Creation Step

    Hi, Where I can get the notes About PCB board creation and The Detail of Class and Subclass, Please Help ME. Thanks to all. . .
    Posted to PCB Design (Forum) by SAMii on Tue, Jul 2 2013
  • How to change the solder mask of pads from top to bottom in brd file

    I placed the components on top layer and mirrored. Components have been placed in the bottom layer but some how the solder mask layer of the component pins is displaying as solder mask top. It should change to solder mask bottom. Let me know some remedy for this, as I am facing this problem in many instances...
    Posted to PCB Design (Forum) by Varun1610 on Thu, Jun 13 2013
  • Not able to route traces

    When I am creating a via and trying to route trace from bottom layer to top layer, I am gettin a trinagle type symbol of the ratnest at the via and the routing is not complete. I have tried to manually route in all ways possible. Can any body let me know what can be the problem as to why I am not able...
    Posted to PCB Design (Forum) by Varun1610 on Fri, Jun 7 2013
  • DXF import into Allegro 16.3 / 16.5

    I have used dxf imports before in Layout 15.7 and we had a simple way to use layers for the basic designs and then import a v12 dxf. But when I try to develop a basic board outline for Allegro 16.3 or 16.5, there does not appear to be a way of importing the plated and non-plated holes into a PCB. What...
    Posted to PCB Design (Forum) by tmd63 on Wed, Apr 10 2013
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