R3131 Spectrum Analyzer Operation Manual
2.3 Measurement Examples
2-75Apr 10/98
Setting the measurement conditions
This changes the analyzer settings so that the input signal is displayed more clearly.
5. Press FREQ, 3, 0 and MHz.
The center frequency is set to 30 MHz.
6. Press SPAN, 2, 0 and MHz.
A frequency span of 20 MHz is set.
7. Press LEVEL, 0 and GHz (+dBm).
The reference level is set to 0 dBm.
Pass-Fail judgment
8. Press PAS/FAIL.
The level window is displayed, and a Pass-Fail is judged. The marker is moved
to the peak as the sweep repeats, starting from the default search of continuous
peak.
Figure 2-71 Pass-Fail Measurement Screen
9. Press LimitUP/LOW, 5 and MHz (-dBm).
The window upper limit setting is turned on and a limit of -5 dBm is set. To turn
on the window lower limit, press this key again.
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