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allegro pcb editor,allegro pcb design xl

  • 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
  • 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
  • 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
  • Manual entry of components

    Is there any way of manually adding a component to an Allegro PCB design using PCB Design XL in the same way that you could in OrCad Layout. I have been able to copy a footprint but the component is unassigned (R*) and I cannot find how to assign it a new part number and to connect nets to it. In Layout...
    Posted to PCB Design (Forum) by tmd63 on Thu, Mar 14 2013
  • Library Construction in Allegro and Design Entry HDL

    I have used OrCad Capture CIS and Layout before and the library system was fairly easy to follow. But I now need to use Allegro and Design Entry HDL for part creation Can anyone tell me how the library structure is set out in these systems please. Where are footprints and schematic symbols stored within...
    Posted to PCB Design (Forum) by tmd63 on Tue, Jan 15 2013
  • Want to change D2PAK footprint with TO263-3 on Orcad/Allegro PCB Editor

    I have a PCB *.BRD file. No schematic no netlist. On board 03 D2PAK footprint placed U28, U29, U30. I want to replace a only U29 footprint D2PAK with To263-3. Any body know the procedure to replace the footprint without schematic and netlist.
    Posted to PCB Design (Forum) by AamirZ on Tue, Nov 20 2012
  • Membrane PCB Design

    Hello, Can any one please tell about membrane PCB Design,now i am designing a remote in that we are using membrane switches.
    Posted to PCB Design (Forum) by gvsatish11 on Fri, Nov 16 2012
  • Creating a board with different sized layers

    Sorry in advance if this is a simple question easily answered elsewhere. I am creating a PCB that needs to have different sized layers. Basically the stackup is as follows: Die LTCC Interposer routing/signal layers (dielectrics and conductors) The die has a footprint, but the LTCC and the interposer...
    Posted to PCB Design (Forum) by vandervander15 on Wed, Sep 26 2012
  • how to create a schematic from a pcb

    Can I create a schematic from a .brd file? I guess the schematic went missing. Cadence 16.3 PCB and Cadence 16.3 Design entry HDL. thanks! Dana
    Posted to PCB Design (Forum) by Dana on Fri, Aug 24 2012
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