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Allegro PCb

  • line to shape spacing error

    Hi All I have attached a doc .Please go through that doc for clarifying my doubt. I poured a dynamic copper shape for ground over the ground pin which is already connected by tracks. It shows line to shape DRC. Whether i have to add any property to that particular net alone or i have to do it in different...
    Posted to PCB Design (Forum) by Anonymous on Thu, Dec 2 2010
  • ADDING VIA TO ALLEGRO 15.2 VER LAYOUT

    Hi All How to bring in newly added via pads in allegro 15.2 version? I created 12/24 & 24/40 via padstacks and added it to library and updted my pad path& psmpath After this i don no how to proceed to bring via in Can anyone reply me soon. Regards ARFAJ SANDS
    Posted to PCB Design (Forum) by Anonymous on Wed, Dec 1 2010
  • converting library footprints from protel to allegro

    Hi All, I have some basic doubt in converting library footprints from protel to allegro. Is it possible to convert ? Moreover am using allegro 15.2ver .In this there is no option to import protel board files. It has only import-->pads & pcad. Please help me with the procedure to do this if its...
    Posted to PCB Design (Forum) by Anonymous on Thu, Nov 25 2010
  • pcb board invert printout

    Dear All, I want to have a invert printout of my PCB design, like while printing I want traces unprinted & rest area in dark like negative artwork we are generating. I had tried with taking generating negative artwork but while printing that artwork using PCb Editor its showing me white lines in...
    Posted to PCB Design (Forum) by Parveen on Tue, Sep 21 2010
  • Sigwave - waveform with suffix "i"

    I'm getting two waveforms for the receiver, one with suffix "i" in the nodename and another without. What does suffix "i" mean and what is the difference between the two waveforms? thanks
    Posted to PCB Design (Forum) by Juniper on Tue, Sep 14 2010
  • 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 much is a license of allegro16.2

    what a piy! though I work as a PCB Engineer for many years. till now, I don't know the price of Allegro exactly. Is there anybody know how much a license of allegro 16.2 is?
    Posted to PCB Design (Forum) by Churbill on Wed, Aug 18 2010
  • Cadence 14.0 : DRC error Line to SMD Pin Spacing

    Hello, I route a board on Cadence 14.0 and have an unknown problem. Each time I try to connect 2 pins of a same net, I have 2 DRC errors : Line to SMD Pin Spacing. More over, when I connect these 2 pins, it is not automaticaly directed to the center of the second pin. Is thre anyone who can help me ...
    Posted to PCB Design (Forum) by romaric on Wed, Jul 7 2010
  • Database Error while Generating Artwork

    I'll start from the beginning: - I was working in a design and OrCAD PCB Designer crashed saying "Orcad has encountered an error and needs to close." or something to that effect. Then I clicked ok and the program shut down. - I opened it back up and continued to work. Everything seemed...
    Posted to PCB Design (Forum) by melview1 on Fri, May 28 2010
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