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The AWR Design Environment platform provides RF/microwave engineers with integrated high-frequency circuit (Microwave Office), system (Visual System Simulator), and EM (AXIEM 3D planar/Analyst 3D FEM) simulation technologies and design automation to develop physically-realizable electronics ready for manufacturing.
The second in the series of AWR Design Environment Tips and Tricks, this blog highlights element placement in RF schematics and system diagrams for novice users, with actions to speed design creation and optimize use of AWR software.
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After creating, importing, or linking to a circuit schematic or system diagram in the AWR Design Environment workspace, you can add elements from the Elements Browser, which contains a comprehensive inventory of circuit elements for building schematics, system blocks for building system diagrams, and installed libraries for both. In the lower pane of the Elements Browser you can specify how category models display by right-clicking and choosing between large icons, small icons, list, or detail views.
There are several ways to add an element to a schematic or system diagram:
While adding an element to the schematic or system diagram, you can:
The Element Options dialog box includes Parameters, User Attributes, Symbol, Layout, Model Options, and other tabs specific to the element. To access the Element Options dialog box, double-click an element in a schematic or system diagram window.
Select an element and right-click its symbol (not the parameter text) to display a context menu to:
To swap one element for another, double-click a model name in the schematic or system diagram and type a new name. For example, double-click "RES" and type "CAP" to replace a resistor with a capacitor. Any parameters that match by name are preserved.
To swap multiple elements, select all of the elements to replace, then in the Elements Browser find the element with which to replace them. Right-click that element and choose Replace Schematic Selection. The Preserve Parameters option retains any common parameter values while Replace Parameters uses the element's default parameters (useful when replacing with library elements).
In addition to editing parameter values in the Element Options dialog box, you can edit parameters directly on a circuit schematic or system diagram:
Double-click a model parameter value to display a text box for editing.
Press Tab to move to the next parameter and Shift+Tab to move to the previous parameter.
Edit the same parameter for multiple elements by selecting all of the elements to edit, right-clicking any of the elements and choosing Properties. Edits on the Parameters tab are applied to all common (by name) parameters.
To use hierarchy in a schematic design, you add subcircuits into your current design.
Add a subcircuit to a schematic window by right-click dragging and dropping a schematic or EM document from the Project Browser onto an open schematic window, or by pressing Ctrl + K to display the Add Subcircuit Element dialog box.
View subcircuit contents in the same window by pressing the Shift key while double-clicking to open the subcircuit.
There are a number of ways to automatically or manually manage element connections in a circuit schematic or system diagram:
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