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Layout,Front-end PCB design

  • What's Good About Retaining Electrical Constraints? Look to SPB16.5 and See!
    Currently, many of the SPB products support extended nets, better known as Xnets. Xnets are created automatically when a signal model is assigned to a component and that signal model defines that a connection is to be made between two pins of the component. This creates an Xnet that connects the nets...
    Posted to PCB Design (Weblog) by Jerry GenPart on Mon, Aug 8 2011

  • 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

  • LIBRARY REVISION VISIBILITY
    We currently distribute our global library over a network folder using hard coded Enviromental Veriables. The problem is that we have no way of knowing when the library was last updated. This can cause users to be un-aware of recent library updates or if they are using old revisions of the library (due...
    Posted to PCB Design (Forum) by Jonah Stephenson on Thu, Aug 19 2010

  • How to export 3D model from allegro pcb editor 16.01?
    Hi, I am using Allegro PCB Editor 16.01. My customer asking 3d model for the paricular board....But i dont know ,what file i have to export.Plese help me. Thanks In Advancce. Regards, lingam
    Posted to PCB Design (Forum) by Lingam on Mon, Jun 1 2009
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