Very Long Sweep Times - Keysight N9912A User Manual

PRF = 218Hz, Duty Cycle = 12.5%. The pulsed signal becomes visible on every sweep
How to set Sweep Acquisition Parameter
 Press Sweep 3.
 Then
 Then choose from the following:
Some Detector and Video Bandwidth settings will raise the Auto Sweep Acquisition
value greater than 1. In these cases, manually setting Sweep Acquisition lower than
the Auto value may have NO effect.
NOTE Measurement speed specifications do NOT apply in Temperature Control Mode.
Learn more on page 14.
Learn more about SA mode SwpAcquisition time in the Supplemental Online Help:
http://na.support.keysight.com/fieldfox/help/FieldFox.htm

Very Long Sweep Times

Two primary settings are responsible for the sweep time: Res BW and SwAcquisition.
 When the sweep time exceeds 1200 seconds (20 minutes), an informational
SA (Spectrum Analyzer) Mode
A GSM signal in a framed data format; timeslot zero ON; all others OFF;
update with SwpAcquisition = 50.
SwpAcquistion Auto
Sweep is set to the fastest sweep possible with the current settings.
Auto
o
Enter a relative acquisition value between 1 and 5000, where:
Man
o
1 = Fastest sweep possible
o
5,000 = Slowest sweep possible
o
# is shown in front of the actual sweep time to indicate a manual setting.
o
message:
Alert: Very long sweep in progress...
the duration of the sweep.
Man.
is annotated on the screen for
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