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16.3,PCB

  • NetList export from OrCAD to PADS or ALLEGRO

    Exploring more options to "communicate" through different CAD software. I'm now using Cadence Design Entry CIS to work on the schematic, and would like to export the netlist and import it into PADS and also ALLEGRO board design. For PADS, when I export the netlist through: Tools -->...
    Posted to PCB Design (Forum) by PCB EXPERT on Tue, Oct 18 2011
  • fottprint problem in Allegro Package

    Hi there. I created a new fottprint with the wizzard ... I created 4 pins, but needed only three (trimpot) ... now I need to delete 1 pin ... programm does not let me delete the pin ... Question: How do I get rid of the pin! Thanx in advance. systemman
    Posted to PCB Design (Forum) by systemman on Thu, Jun 9 2011
  • orcad 16.3

    Hi,I am angurj.S working Orcad 16.3. I have some problem using orcad 16.3 capture to PCB editor(Layout). In capture,Every single connection or component change.Every time i run the tools --> create netlist ---> PCB Editor window,then from starting itself i placing the component once again. In capture...
    Posted to PCB Design (Forum) by DEAN1984 on Thu, Apr 14 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
  • Pad Seed Points

    Using OrCAD PCB Designer v16.3.S009 I would like to know how to control the copper seed point on a particular symbol, but not the whole design. I have a shield over a part that has 4 pads that are all GND. This part is on the top layer which has a GND copper pour dynamic shape. When I smooth the shapes...
    Posted to PCB Design (Forum) by melview1 on Wed, Aug 4 2010
  • Differential Pairs

    Using OrCAD PCB Designer v16.3.S009 Can anyone help me on how to route a differential pair to be the same length and same separation during the whole route? I'm sure there's some properties or modes I am missing that makes this easier than doing it manually. Thanks. --Mark
    Posted to PCB Design (Forum) by melview1 on Thu, Jul 22 2010
  • Antenna Trace Relief

    Using Allegro OrCAD PCB Designer v16.3.S009 I have a 2.4GHz impedance controlled antenna trace that has a ground pour around it. I would like to pull back the ground pour at least 30 mils from this antenna trace. Is there a property or something in the net or trace that I can set such that it will automatically...
    Posted to PCB Design (Forum) by melview1 on Thu, Jul 22 2010
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