p01-010904 - Procedure#1 Wireless Circuits and Systems...

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Procedure #1 University of South Florida p01-010904 1 Wireless Circuits and Systems Laboratory Procedure #1 ADS Basics Contained in this procedure: 1) Creating a project file directory 2) Creating a circuit schematic using lumped components 3) Simulating a circuit to determine its S-parameters 4) Graphing the simulation results HP ADS (Advanced Design System) Design Type Support When you first execute HP ADS, or anytime thereafter, you have the option of setting the type of design that is supported. The options are Analog/RF, Digital Signal Processing, or both. The option you should choose is Both, with the Default set to Analog/RF. 1. Creating a New Project and a Circuit Schematic 1. From the Windows START menu, go to Programs/Advanced Design System/Advanced Design System. 2. If you do not have an existing “project” to work with (you will only need one project for the entire semester, as each project can contain multiple circuit designs): a) Select File/New Project b) Click on the Browse button to find your home directory where you want the project to be stored (ask your Teaching Assistant for guidance). Type in your project name in the space following the directory reference. You must use alphanumeric characters and underscores (no periods, hyphens, etc.) c) Select the Length Unit to be millimeters. d) Click OK. Note : A project is a special directory structure within ADS that is used to organize files associated with a particular design task. Each project directory consists of at least five sub-directories – data, mom_dsn (for files associated with the Momentum electromagnetic simulation tool), networks, synthesis, and verification - that are created automatically for each new project. The project’s structure helps keep related design information grouped together. At this point the “Schematic” window should open up automatically. If the schematic window does not open automatically, click on the Window -> New Schematic menu or simply the ‘New Schematic Window’ button near the middle of the main ADS menu. As long as you work in this project directory, all of your circuit designs, circuit layouts, and test benches will be stored in various sub-directories of your project. 3. If you do have an existing project : a) File/Open Project b) Change to the appropriate drive location c) Double click on your project directory d) Single click on your project directory again and click OK At this point the “Schematic” window should open up automatically. If the schematic window does not open automatically, click on the Window -> New Schematic menu or simply the ‘New Schematic Window’ button near the middle of the main ADS menu.
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Procedure #1 University of South Florida p01-010904 2 4. It’s good practice to give your schematic design a name right as you begin. To do this, click on File/Save As and then enter the name of your design (you do not have to add the suffix).
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