Keysight Technologies FieldFox B Series User Manual page 290

IQ Analyzer (IQA) – Option 351
I/Q Analyzer (IQA) Mode Settings
I/Q Analyzer (IQA) Mode Settings
When you initially select I/Q Analyzer, Real-Time SA, or some of the other
spectrum settings (such as center frequency) a factory channel
Equalization measurement is applied to the signal. During channel
equalization measurement, the FieldFox displays a "Start Channel
Equalization". Stopping channel equalization is not permitted. See also,
"Alignments" on page
(Option 233–Mixed Analyzers)."
Select IQA Mode before making any settings in this chapter.
How to select IQA Mode
— Press Mode_.
— Then
— Then
How to Make Measurements Using the I/Q Analyzer Mode
The Measure menu is used to set common parameters, predefined views
selection, and measurement switching.
Spectrum has only one predefined view and Waveform measurement has two
predefined views. There is a User Defined measurement, which can be used to
display up to four different views (windows) simultaneously on the display
screen. You can select which type of data to display in each of the views from
the Trace menu.
See also,
1. Press Preset then
2. Press Measure 1 then choose from the following:
Noise level in time-domain measurements are higher for IF-BW >100 MHz
due to raised noise levels at the edges of the 120 MHz bandwidth.
290
201, in
More (may not be available—number of installed options dependent)
IQ Analyzer.
"How to Capture I/Q Data to a File" on page
Mode Preset (Factory)
— Spectrum (Freq Domain)
the current displayed measurement.
— Waveform then choose one of the following:
— RF Envelope
(default).
— IQ Waveform
waveform values.
— User Defined Selects a default user defined 4-quadrant display
showing the following data:
Chapter 9, "SA (Spectrum Analyzer) Mode
(Default) – Selects frequency spectrum as
Selects log RF envelope in time domain
Selects linear Real and imaginary I/Q
Keysight N9938-90006 User's Guide
291.