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Today's Tip of the Day

Cloaking Drawing Layers

In Layout, you can "cloak" drawing layers to simplify the layers displayed in the layout pane.

When you edit the 2D Drawing Layers for your project, you have an option to "cloak" each layer. See Drawing Layers 2D Properties for details on how to do this.  

See the simple example below of the 2D properties settings

Then see how the layers display in the Layout Pane

Then if we change the cloaking setting...

You can see the change to the layers display in the Layout Pane.



This video highlights the benefits and design tactics Data Sets provide to the designer.  Data Sets allow the user to:
  • Plot a current simulation versus a previous simulation of the same structure.
  • View geometries of past EM structures.
  • Quickly plot results of past simulations.
  • Restore yield data.
  • Make measurements without the source document.
  • Save datasets in the project for design portability.




Electromagnetic (EM) simulation technology software has come a long way since it first became popular for microwave and RF circuit design back in the 1980s. With the sophistication of today’s EM tools, it is sometimes difficult to remember how limited those early simulators were. The author is old enough to remember when a challenging problem for a 3D planar simulator consisted of a coupled-line filter with 1000 unknowns and 3D finite element simulators were stressed by a simple multi-layer via transition in a package.

As with all software, the increased capacity of today’s simulators, and the features they support has been accompanied by an increased sophistication in their use. This paper will examine, in particular, how the use of ports in these simulators has evolved and matured over the years to make real-world design simulations practical. The goal here is to provide a foundational understanding of ports leading to an intuitive skill in their proper selection and use in conjunction with circuit simulation.

A Plethora of Ports: Making Sense of the Different Types of Ports in EM Planar Simulators” by Dr. John M. Dunn


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