Tektronix RSA6100A Series, Руководство пользователя

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Search (Limits Testing) De fi ne Tab (Search)
Greater Than/Less Than Searches for Spectrum
If you select a greater than/less than search, you also specify the level that de fi nes a violation. When you
select either is greater than or is less than , a text entry box appears to the right of the drop-down list.
Use the text entry box to specify the signal level you wish to search for. While not as fl exible as mask
testing, this type of search is quicker to set up.
Mask-Based Searches for Spectrum
If you specify a mask-based search for the Spectrum display, then you need to edit the mask to specify the
levels that de
fi ne a violation. When you select is outside mask or is inside mask , an Edit limits button is
displayed. Select the Edit limits button to display the Mask Editor.
To edit a search mask for a Spectrum display search:
1. Click Edit limits... to display the Mask Editor.
2. Click New Table to create a table. This clears the existing points and loads the default table.
3. Select the X axis values setting:
a. Select Absolute to specify mask point locations based on signal frequency.
b. Select Relative to specify mask point locations as offsets from the center frequency.
4. To edit values in the table:
a. To edit an existing value, double-click on the cell you want to edit.
b. To add a new point to the table, click on Add Point . Edit the values as required and click Apply
when you are fi nished with your changes.
RSA6100A Series Real-Time Spectrum Analyzers Help
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