Keysight A Series User Manual page 233

SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)
Channel Measurements
Figure 9-16 Occupied Bandwidth Measurement
The graphic above shows an OBW measurement; Chan 190 Downlink; GSM850
Radio Standard
How to Select Occupied Bandwidth
1. Press Measure_1
2. Then
3. 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
Selection" on page
1. Press Freq/Dist >
2. Enter a value using the numeric keypad,
Keysight N9927-90020 User's Guide
Channel Measurements
Occupied BW
168.
Freq Span
"Channel
arrows, or the rotary knob.
233