RF Measurements > Settling Time Displays
Settling Time Displays
Measurement Frequency is not locked to the spectrum Center Frequency (Analysis control panel >
Frequency tab).
14.
Set the
Target reference (see page 191)
to Auto or Meas freq as appropriate. If you select Meas freq,
also set Offset to
fi
ne-tune the measurement frequency if necessary.
15.
Set the
Tolerance (see page 191)
as required for your measurement.
If your signal must be settled for a period of time before it is considered settled, you can specify a
minimum settled duration for the settling time measurement.
16.
Select the Time Params tab. Adjust the
Min settled duration (see page 192)
as required.
To get the measurement made in the correct location on the signal, you must adjust the measurement
length. You do this by dragging the magenta line in the Settling Time graph.
17.
Drag the measurement length indicator (magenta line) to the correct location on the signal. Choose a
point at which the signal appears to be well settled. The measurement will then
fi
nd the exact time at
which the signal actually settled to within the speci
fi
ed tolerance.
Note the difference in the settling time in the two illustrations that follow. In both examples, the Target
reference is set to Auto. The only difference is the measurement length, as shown by the magenta line.
Frequency settling time display before setting the measurement length
188
RSA6100A Series Real-Time Spectrum Analyzers Help
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