Functions and Measurements
Measuring a Low-Level Signal
48
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 44
of this chapter and follow steps 1, 2 and 3.
2 To turn averaging on, toggle the softkey menu labeled
Average:
Press BW > Average (On)
3 Set the number of averages to 20, using the number keypad,
up and down arrows, or the knob:
Press 20, Enter
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 47).
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