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allegro pcb editor,16.5

  • 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
  • Adding custom Properties to Part Symbols

    Is there a way to add specfic properties to a part symbol, such as "created:", "modified by:", "comment" or other company specific requirements?
    Posted to PCB Design (Forum) by mpred on Tue, Nov 19 2013
  • Changing some fonts in Allegro Layout 16.5

    I have some general text on my design but I need a different style of text from the 'Courier' default. I only need one or two text to be changed and can use a different textblk number for this if needed. Is it possible to change just one or two text blocks to a different font?
    Posted to PCB Design (Forum) by tmd63 on Thu, Nov 7 2013
  • How to connect vias to specific layers

    I have a design which has 7 layers. The top layer has only short stubs. There are two layers for traces but they are sensitive signals and there is a solid ground plane above and below these two layers. I have connected these two planes at one point near the incoming supply. I also have a single ground...
    Posted to PCB Design (Forum) by tmd63 on Thu, Sep 26 2013
  • How to display different Drill Legends on one sheet.

    I have been trying to find how to display different layer drill legends on a single sheet. The help file 'algroman.pdf' shows the type for file I am trying todisplay in Figure 2-1, but when I am in PCB Designer 16.5 and I go to the NC - Drill Legend command, it places a single outline with all...
    Posted to PCB Design (Forum) by tmd63 on Fri, Sep 13 2013
  • Customer Support Recommended - Flex PCB Design Features in Allegro PCB Editor

    Flexible PCBs are used widely in everyday technology and electronics in addition to high-end, complex completed components. Two of the most prominent examples of flexible circuit usage are in hard disk drives and desktop printers. The following blog highlights the features of Allegro PCB Editor (Allegro...
    Posted to PCB Design (Weblog) by Naveen on Fri, May 31 2013
  • Forcing via connections

    I have a multi-layer design with multiple ground plane layers. But these have issues with ground loops. How can I set something in PCB Editor 16.5 that will only connect vias to one ground plane layer and leave all other layers unconnected, so that I can use a single ground connection point.
    Posted to PCB Design (Forum) by tmd63 on Fri, May 3 2013
  • How to import and export constraints from Allegro PCB to Excel

    We have some complex and large constraints files to use for our designs and it would make life a lot easier if the constraints could be downloaded to excel, modified and then reloaded back into the design. Is there any way that this can be done.
    Posted to PCB Design (Forum) by tmd63 on Wed, May 1 2013
  • DRC T error

    I have a DRC error saying that T's allowed is set to pads and vias only. Where do I change this to allow T's anywhere?
    Posted to PCB Design (Forum) by tmd63 on Fri, Apr 19 2013
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