Keysight Technologies FieldFox N9912A104 User Manual page 149

SA (Spectrum Analyzer) Mode
Channel Measurements
Figure 8-9 Occupied Bandwidth Measurement
The graphic above shows an OBW measurement; Chan 190 Downlink; GSM850
Radio Standard
How to Select Occupied Band wid th
— Press Measure__1.
— Then
— Then
When Occupied Bandwidth is selected, the following settings are maintained
from a previous measurement: Center Frequency, Preamp ON|OFF, and RF
Attenuation.
Frequency Span
Occupied BW is calculated from power that is measured over the entire
displayed Frequency Span. The frequency span can be entered using arbitrary
frequencies or by using a Radio Standard in conjunction with channel
numbers. Learn how to select a Radio Standard and channels in
page
To change Frequency Span:
— Press Freq/Dist .
Keysight N9912-90001 User's Guide
Channel Measurements.
Occupied BW.
8-7.
page 8-6 and
8- 41