Agilent Technologies HP 70910A Guida Utente Pagina 83

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Chapter 3 83
Operation
Using an E4407B Spectrum Analyzer or 7405A EMC Analyzer
Operation
3. The full Q band display is shown in Figure 3-9.
Figure 3-9.
4. To complete the amplitude calibration process, the preselector must be adjusted at each
frequency of interest. Before making final amplitude measurements with the analyzer,
perform the following:
a. Place a marker on the signal of interest.
b. Press
SPAN, Span Zoom, 10, MHz to zoom in on the signal.
c. Press
AMPLITUDE, Presel Center.
The final amplitude measurement can now be read out with the marker. See Figure
3-10..
Figure 3-10.
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