As a functional subset of Ansoft Designer , the commercially distributed design-management environment and circuit simulator for radio frequency RF and microwave hardware development, Ansoft Designer SV exposes engineers to the same design environment widely used in the high-performance electronic design industry. Ansoft Designer SV contains a complete high-frequency linear circuit simulator, schematic and layout design entry, planar electromagnetic solver, design utilities, and post-processing, all integrated in a common environment. Users are able to create and simulate hierarchical circuit designs for RF and microwave applications, such as filters, small-signal amplifiers, matching networks, power splitters and combiners, couplers, and more. Successful high-frequency electronic design is tightly related to physical design and component parasitic behavior.
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A window will appear asking you to choose a layout technology substrate as shown in Fig. Once, you have chosen the technology, a project window will appear. Before we can setup the model, we need to correct the substrate height.
Change the thickness of the dielectric to 1. Figure 2. Choose layout technology window. Figure 3. Layers dialog box. Model Setup You are now ready to draw the microstrip line trace. Before doing so, the width and length have to be determined. Using the microstrip line calculator , a width of 1. Just draw any size rectangle for now. After it is drawn, double-click on it and the dialog box will appear; fill in with the values shown in Fig.
Save the project before continuing if you have not already done so. Figure 4. Rectangle dialog box. Excitation Setup The excitation ports for the microstrip line have to be setup. Do the same for the right edge. The completed microstrip line model should look like Fig. Figure 5. Since this is a geometrically simple structure, a fixed mesh will give an accurate result. Use a fixed mesh with a frequency of In addition, add a frequency sweep from 2. Next, analyze the problem. Plotting Results After the simulation is finish, we can confirm that the characteristic impedance is Figure 6.
Matrix data dialog box. The resulting plot is shown in Fig. Figure 7. Numerical return and insertion loss.
New Version Of Ansoft Designer SV Now Includes Planar Electromagnetic Analysis
Scripted Layout Cell Scripted parameterized layout cell. Using a script allows to create complex Parameterized layout cells like transistor, rectangular spiral inductor. Moreover a script allows to check minimum and maximum dimensions provided design rules checking at the component level. The edit script window allow the user to create, modify the script and see the effect of the modification on the layout cell just by clicking apply no need to compile or reload after modification.
Ansoft Designer SV
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