Keysight N9927-90001 User’s Guide 265
IQ Analyzer (IQA) – Option 351 (CPU2 Only)
I/Q Analyzer (IQA) Mode Settings
Example:
Single:
——If the Capture Time
is set to 100 µs, and you press the Start
softkey, in Single mode the FieldFox saves 100 µs of the
current I/Q data.
Multiple:-
——If the File Count is set to 200, and you press the Start
softkey,
the FieldFox saves your 200 I/Q data files and stops. The I/Q
data files are saved into 200 files similar to:
IQDataFile_yyyymmdd hh.mm.ss.ffff.csv.
——If you press Stop
, before the 200 I/Q data files have been
saved, the FieldFox stops (interrupts) the multiple I/Q data file
saving at the number of the current file. So, if you press Stop
on file number 175, the saving process stops. If file number 175
has not been saved, it is deleted. But, I/Q data files 1 through
174 that have been saved prior to pressing Stop
, are still saved
for reference.
See also, Chapter 31, “File Management.”
How to modify the I/Q data measurement parameters
The following sections assume you have already selected your I/Q data
measurement type (i.e., Spectrum, Waveform (RF Envelope or I/Q Waveform),
or User Defined).
This section contains the following:
Adjusting the Bandwidth Settings
—Press BW 2.
— Then choose from the following:
“Adjusting the Bandwidth Settings” on page 265
“Changing between the Continuous and Single captures and
adjusting the Trigger settings” on page 268
“Adjusting the Measurement Setup Settings” on page 270
“Adjusting the Trace Settings” on page 271
“Adjusting the Frequency Settings” on page 272
“Adjusting the Scale and Amplitude Settings” on page 273
“Preamplifier Control (Opt 235)” on page 275
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