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16.3

  • Deciding the drill size and thickness of a via

    I have traces of 10 mils and some traces of 5 mils. Will the vias be different for both these traces. Basically how you decide these parameters while designing.
    Posted to PCB Design (Forum) by Varun1610 on Mon, Jun 10 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
  • OrCAD 16.3 dsn Format is not opening?

    Hi... I had drawn the schematic in OrCAD 16.3. but it was not opening in the OrCAD 9.2.But i read that in the forum, that want to save the format in previous version of it. So I dont know how save the previous file format. So can anyone provide me the right solution to save the OrCAD 16.3 dsn to OrCAD...
    Posted to PCB Design (Forum) by Dhamodharann on Fri, May 24 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
  • 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
  • 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
  • Disappearing Holes

    Has anyone had holes that disappeared from the NC drill files when outputting a file from Allegro 16.3? I have a board where I have placed a new component. The manufacturing drawing and drill tables show the new holes and hole counts are correct. But when I viewed the gerbers and drill in GCprevue, the...
    Posted to PCB Design (Forum) by tmd63 on Fri, Feb 8 2013
  • Re: How to delete the DRC error Markers?

    Hi steve, Thanks,Now i am able to delete the DRC markers.
    Posted to PCB Design (Forum) by Dhamodharann on Thu, Jan 24 2013
  • Re: How to delete the DRC error Markers?

    Hi steve, Thanks steve. Now i am able to delete the DRC markers.
    Posted to PCB Design (Forum) by Dhamodharann on Thu, Jan 24 2013
  • How to delete the DRC error Markers?

    Hi. How to remove the existing DRC error markers in projects. when i place the components roughly and unplace the components from the board, then still the DRC error markers are been in the same place. I had tried to delete it, But i can't delete it.
    Posted to PCB Design (Forum) by Dhamodharann on Fri, Jan 18 2013
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