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layout,PCB Signal and power integrity

  • What's Good About OrCAD Capture‚Äôs Signal Integrity Flow? The Secret's in the 16.6 Release!

    With the 16.6 release, you now have the capability of utilizing the PCB SI tools (SigXP) to work with topologies and constraints in the OrCAD Capture environment. Capturing constraints early in design cycle is important for the following reasons: Quality challenges as the design cycle for any PCB product...
    Posted to PCB Design (Weblog) by Jerry GenPart on Tue, Feb 19 2013
  • 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
  • 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
  • noise environment board simulation

    Hi, I am using Cadence allegro PCB SI 16.0. I am doing EMI simulation.My doubt is, Is itpossible to simulate external emi how affeting the board circuitry and also how to make sure that board will work in particular (db) noise enviornment?. In allegro PCB SI 16.0 have any provision to simulate our borad...
    Posted to PCB Design (Forum) by Lingam on Mon, Mar 2 2009
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