Figure 2-22 Signals Centered On Spectrum Analyzer Display - Agilent Technologies 8560E User Manual

8. To resolve the distortion products, reduce the resolution bandwidth
9. Reduce the video bandwidth, if necessary.
10.To make sure the input signals are equal in amplitude:
If you need to choose a specific resolution bandwidth to verify that the
NOTE
distortion products are at a certain level below the source signal, refer
to Example 1 in this chapter.
Figure 2-22 Signals Centered on Spectrum Analyzer Display
Set the reference level
11.For greatest measurement accuracy, position the peaks of the source
Chapter 2
until the distortion products are visible:
a. Press .
BW
b. Use the step down
a. Press
PEAK SEARCH
b. Adjust the signal source with the corresponding marker on it
until the difference in amplitude reads zero.
signals at the reference level. The spectrum analyzer function
MARKER → REF LVL
lets you set the reference level using a marker:
a. Place a marker on the source signal of highest amplitude by
pressing
PEAK SEARCH
Example 5: Third-Order Intermodulation Distortion
⇓
key to reduce the resolution bandwidth.
, , and
MARKER DELTA
,
MARKER NORMAL
Making Measurements
.
NEXT PEAK
.
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