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Ansoft Designer / Ansys Designer 在线帮助文档：

Importing and Exporting Data >
   Exporting Data >
       Exporting LNA Results to a File           

Exporting LNA Results to a File

You can export the results of a linear network analysis to a Touchstone™ file for use by other analyses. Results can be exported from a design created with either the Schematic Editor or the Netlist Editor.

1. Define and run the Linear Network Analysis.

2. In a schematic design, expand the icon for the design. Expand the Analysis entry, right-click the LNA solution setup, and select Export Solution from the pulldown.

In a netlist design, right-click the icon for the netlist design and select Export Solution from the pulldown. The Solutions dialog box opens.

3. From a schematic, make sure the desired setup name and simulation name are shown in the listings in the Simulation fields. (With a netlist design, these fields are read-only.)

4. Select the type of data to be saved (S, Y, Z, Zo, or Gamma). The choices depend on the results that are available.

5. Select the frequencies for which data are to be saved:

• To save the data for all frequencies, check All freqs.

• To save the data for selected frequencies, leave All freqs unchecked and select the frequencies from the pulldown.

6. Select the results and frequencies to be exported, then click Export. The Export Network Data Solution dialog box opens:

Select a directory for the export in the Save in: field. Select a file name for the exported data in the File name: field. Select a file type from the Save as type: list, and then click Save.

Options for file format are:

• Data Table (spreadsheet) (.txt file extension)

• Touchstone (.sNp file extension)

• Planar EM/HFSS v6+ (.szg file extension)

• Neutral Model Format (NMF) (.nmf file extension)

• MATLAB (.m file extension)

• CITIfile (.cit file extension)

7. The Specify Export Reference Impedance dialog opens for you to specify the reference impedance for the Touchstone data:

• Select Renormalize Solution (the default) and set the impedance as desired (50 Ohms is the default). The Touchstone file data will be renormalized to the port impedance you specify, if the impedance is not the same as that used for the original analysis. Selecting Do Not Renormalize Solution inactivates the Impedance field.

• You can choose to Export Noise Data with Touchstone files in Designer.

• You can choose to include Gamma and impedance comments in the Touchstone file (the default), or to omit them. Omitting the comments can make the Touchstone file much smaller.

• When the impedance information is complete, click OK.

8. Click Close on the Solutions dialog box, or leave the dialog open to make multiple exports, as described next.

Making Multiple Exports

If you want to export several solutions representing variations on the design, leave the Solutions dialog open. Make the desired changes to the circuit. The box at the upper right of the Solutions dialog displays a red X to show that the solution is invalid:

Now, rerun the analysis. The red X disappears to show that a valid solution is available for export. Save the new result as described earlier.

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