Keysight x-series User Manual

3 Spectrum Analyzer Mode
3.13 Phase and Amplitude vs Time Measurement
3.13.2 Windows
This section describes the windows that are available in Phase and Amplitude vs
Time measurements.
3.13.2.1 Graph
Corresponding Trace Yellow: Phase vs Time
Light Blue: Amplitude vs Time
3.13.2.2 Results
Displays the Frequency Error, the Relative Baseline values, and the list of textual
results of the Phase and Amplitude vs Time measurement.
Results window
Name Corresponding Results Example
Frequency
Error [Hz]
Frequency error supplied by user, or measured by invocation of
Measure Frequency Error immediate action
-125 kHz
Relative
Baseline [°]
Phase of the 1
st
segment before normalization 45°
Relative
Baseline [dBm]
Amplitude of the 1
st
segment before normalization -15.00 dBm
Phase [°] The phase of the particular segment relative to the 1
st
segment -45°
Amplitude [dB] The amplitude of the particular segment relative to the 1
st
segment
-1.99 dB
Time [ms] The start time of the Meas Interval for the particular segment
relative to the 1
st
segment. When Meas Type = Normal the Time
is equally spaced over the Total Meas Time
10 ms
Delta Freq
Error [Hz]
Additional Frequency error of each segment -1.00 MHz
3.13.3 Amplitude
Activates the Amplitude menu and selects Reference Level or Reference Value as
the active function, depending on the measurement.
1950 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)