3 Spectrum Analyzer Mode
3.4 Occupied BW Measurement
The x dB reference power result shows the power of the highest signal point within
the OBW Span.
x dB At Freq
The x dB reference power frequency result shows the frequency of the highest signal
point within the OBW Span. The frequency display type, either Offset or Absolute,
can be selected with the Boundary Frequency control under Display.
OBW Boundary Results
Name Unit Corresponding Results
Lower OBW boundary - offset frequency Hz Offset frequency of the lower OBW boundary from center
frequency
Lower OBW boundary - absolute power dB Absolute power on the point of lower OBW boundary
Lower OBW boundary - relative power dBc Relative power on the point of lower OBW boundary
Upper OBW boundary - offset frequency Hz Offset frequency of the upper OBW boundary from center
frequency
Upper OBW boundary - absolute power dB Absolute power on the point of upper OBW boundary
Upper OBW boundary - relative power dBc Relative power on the point of upper OBW boundary
Lower x dB BW boundary - offset
frequency
Hz Offset frequency of the lower x dB BW boundary from center
frequency
Lower x dB BW boundary - absolute
power
dB Absolute power on the point of lower x dB BW boundary
Upper x dB BW boundary - offset
frequency
Hz Offset frequency of the lower x dB BW boundary from center
frequency
Upper x dB BW boundary - absolute
power
dB Absolute power on the point of lower x dB BW boundary
3.4.2.4 Gate
Window #4
Turning on Gate View shows the Gate Window, which lets you see your Gating
signal at the same time as the measured data. See the description in "Gate View
On/Off" on page 2686 under Trigger, Gate Settings.
Views in which this window appears:
View Size Position
Gate One third, full width Top
Spectrum Analyzer Mode User's &Programmer's Reference 721
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