Making Measurements Using Spectrum Analyzer Mode

Using the Time-Gated Spectrum Analyzer Capability Without the Gate Utility (Option 107 only)

1.Set the center frequency of the spectrum analyzer to the frequency of the modulated signal. Decrease the frequency span of the spectrum analyzer. If necessary, adjust the reference level of the spectrum analyzer so that the peak signal is displayed near the top graticule.

FULL

SPRN

ZERO

SPtiN

LAST

SPAN

BRNO

LOCK

CENTER 50.000

MHz

 

SPhN 5.000

MHz

RES BW 30

kHz

VBW 38 kHz

SWP 28

hS?b

Figure 5-20. Setting the Center Frequency, Span, and Reference level

The Gate Utility can be used to simplify the following steps. See Chapter 6 for descriptions of the gate utility softkeys.

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