2-22 Spurious Emissions (Out-of-Band) Spectrum Analyzer
2-30 PN: 10580-00349 Rev. H Spectrum Analyzer MG
2-22 Spurious Emissions (Out-of-Band)
The Spectrum Analyzer measures spurious emissions from a base station using the Spurious
Emissions (Out-of-Band) Mask feature. Creating a spurious emission mask allows you to test
signals against wireless communications standards. A mask with up to 32 segments must be
created before starting the measurements.
Creating a New Spurious Emission Mask
1. Press the Shift key followed by the Measure (4) key. Then press the Masks and C/I
submenu key followed by the Spurious Emissions (Out-of-Band) key.
2. Press the Spurious Emissions submenu key to select On. See Figure 2-17.
3. Press the Freq main menu key followed by the Start Freq submenu key and enter a value
for the beginning point of a segment.
4. Press the Stop Freq submenu key and enter a value for the end point of the segment.
5. Optionally, you can adjust the RBW, VBW, reference level, and reference level offset.
However, you cannot change the sweep mode or any of the following amplitude settings
for individual segments in the mask:
• Preamp On/Off
• Auto Attenuator On/Off
• Attenuator Level (the attenuator will adjust automatically if Auto Attenuator is
currently On)
6. Return to the Spurious Emissions submenu by pressing the touch screen shortcut in the
upper right corner of the display, where the words Spectrum Analyzer are located.
Figure 2-17. Spurious Emission Screen
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