Chapter 2 79
Making Measurements
Example 5: Third-Order Intermodulation Distortion
13.To measure a distortion product:
a. Press
PEAK SEARCH to place a marker on a source signal.
b. To activate a second marker, press
MARKER DELTA.
c. Press
NEXT PK LEFT or NEXT PK RIGHT to set the second marker
on the peak of the distortion product that is beside the signal
source (see Figure 2-24).
The difference in frequency and amplitude between the two markers is
displayed in the active function block.
Figure 2-24 Intermodulation Distortion Measured in dBc
Create a title for the measurement
The screen title function lets you create a title on the screen, and a label
for the recall menu.
14.To create a title:
a. Press
DISPLAY, SCREEN TITLE.
b. Use the softkeys from the screen-title menu and the knob (to
choose the letters) to create a title. The title appears in the
upper-right corner of the graticule; it can be up to two rows of 16
characters each (see Figure 2-25).
c. Press
TITLE DONE when the title is complete.
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