45
Functions and Measurements
Measuring a Low-Level Signal
the number of trace sweeps to be included in the process.
The averaging function uses the most recent trace sweep
values so that the display shows any signal changes.
Selecting
averaging, when the analyzer is auto- coupled,
changes the detection mode to Sample, smoothing the
displayed noise level.
1 Refer to the procedure “Reducing Input Attenuation” on
page 41 of this chapter and follow steps 1, 2 and 3.
2 To turn averaging on, toggle the softkey menu labeled
Average:
Press > Average (On)
3 Set the number of averages to 20, using the number keypad,
up and down arrows, or the knob:
Press 20,
The averaging process smooths the viewed trace, low level
signals become more visible (see Figure 3-13). Changes to the
average number will restart the averaging process.
Figure 3-13 Trace Averaging
NOTE
This is a trace processing function and is not the same as using the
average detector (as described on
page 44).
BW/
Avg
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