Key Reference 5
N9342C/43C/44C User’s Guide 95
Sweep
Activates the sweep mode function and accesses
associated softkeys to select the trace sweep
functions.
Sweep Time
Key access: [Sweep] > {Sweep Time}
Selects the sweep time for the analyzer to tune
across the displayed frequency span (or, in zero
span, the time the analyzer take to sweep the full
screen).Inputs may be made using the knob, the
arrow keys, or numeric keypad.
In non-zero spans
When the sweep time is auto- coupled, the analyzer
selects the optimum (shortest) sweep time ranging
from 10 ms to 1000 s. The auto selection is
determined by three measurement settings:
• Frequency Span
• The selected Resolution Bandwidth
• The selected Video Bandwidth
Note that changing one of the three factors above
will change the sweep time. The sweep time is in
direct ratio to frequency span and is in reverse
ratio to the selected resolution bandwidth and
video bandwidth when auto- coupled.
NOTE
Reducing the sweep time increases the sweep rate.
CAU-CAUTION
With sweep time set to a value less than the minimum
auto-coupled value, an annotation “Data out of range”
appears in the active function block and the sweep time is
automatically converted to the minimum auto-coupled
value.
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