Keysight x-series User Manual

3 Spectrum Analyzer Mode
3.4 Occupied BW Measurement
Command Return Value
:FETCh:OBWidth:FERRor?
:MEASure:OBWidth:FERRor?
:READ:OBWidth:FERRor?
Returns the Transmit Frequency Error (Hz)
:FETCh:OBWidth:XDB?
:MEASure:OBWidth:XDB?
:READ:OBWidth:XDB?
Returns the xdB Bandwidth (Hz)
Remote Command Results
The following table describes the results returned by the FETCh, MEASure, and READ
queries listed above, according to the index value n.
n Results Returned
1, or not
specified
Returns scalar results, in the following order:
# Item Unit
1 Occupied Bandwidth Hz
2 Total Power or OBW Power
Power reference type can be changed with "Power Ref" on page 801 in
Meas Setup
dBm
3 Span Hz
4 Spectrum Trace Points points
5 Res BW Hz
6 Transmit Frequency Error Hz
7 7. x dB Bandwidth Hz
2 Returns the frequency-domain spectrum trace (data array) for the entire frequency range being
measured for Trace 1
3 Only available in LTEAFDD, LTEATDD, 5GNR Modes
1. Number of active carriers
Returns number of active carriers within Span in Auto detected mode, otherwise the command is out of
scope
4 Returns OBW Boundaries table results in the following order:
# Item Unit, if
any
1 Occupied bandwidth Hz
2 Total Power or OBW Power
Power reference type can be changed with "Power Ref" on page 801 in
Meas Setup
dBm
714 Spectrum Analyzer Mode User's &Programmer's Reference

Keysight x-series Specifications

General

Analysis Bandwidth	Up to 1 GHz (depending on model)
Real-Time Bandwidth	Up to 1 GHz (depending on model)
Form Factor	Benchtop
Connectivity	LAN, USB, GPIB
Resolution Bandwidth	1 Hz to 10 MHz (depending on model)