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G E T T I N G
S T A R T E D
AUTO: To reset either RBW or VBW to automatically use the default
⇒
setting, for each span, click AUTO.
Video Detector Settings: As the video data is being processed, the
⇒
minimum, maximum, and average amplitudes are stored.
maximum, average, or Min & Max may be displayed.
When converting from I/Q data to unprocessed amplitude data, the
⇒
amplitude may be represented as voltage, linear power, or logarithmic
power data.
Logarithmic power is closest to a traditional spectrum analyzer in log scale.
For older or underpowered computers, select BYPASS to skip video
processing.
Sweep Time: A slider is available to select fast or slow sweep times. Fast
⇒
sweep times process a small amount of data per trace and update quickly.
Slow sweep times process a large amount of data and update slowly. Use
slower sweep times for longer RMS power readings or to observe any given
spectral window for a longer period of time.
o For Zero Span, there is a separate Sweep Time control that
o This control is secondary to the RBW and VBW controls.
Image Reject: Turn OFF to catch a transient signal that lasts for duration
⇒
less than the sweep time. Turn ON to filter out image frequencies and noise
when a steady signal is present.
2.2.6
TRACE CONTROLS
NORMAL: The entire trace is updated each sweep
⇒
MAX HOLD: The highest amplitude for each frequency point is displayed.
⇒
Each sweep, only frequency points with higher amplitudes are updated.
2.2.7
TRIGGER AND SWEEP CONTROLS
CONTINUOUS: A new sweep begins as soon as the last sweep is
⇒
completed.
SINGLE: A single sweep is run, then the Signal Hound remains inactive.
⇒
FREE RUN: In Zero Span mode, a sweep begins immediately
⇒
Select linear power for RMS power measurements.
allows you to explicitly set this parameter.
Under many conditions it is ignored.
8
Minimum,
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