R3131 Spectrum Analyzer Operation Manual
2.3 Measurement Examples
2-79
Apr 10/98
Setting the measurement conditions
This changes the analyzer settings so that the input signal is displayed more clearly.
5.
Press FREQ, 8, 0, 0 and MHz.
The center frequency is set to 800 MHz.
6.
Press SPAN, 1, 0, 0 and kHz.
A frequency span of 100 kHz is set.
7.
Press LEVEL, 3, 0 and MHz (-dBm).
The reference level is set to -30 dBm.
Measuring the fundamental wave
8.
Press PK SRCH.
The marker is displayed on the peak. The level displayed in the marker area is
recorded as the fundamental wave level.
Figure 2-75 Measuring the Fundamental Wave
Measuring the harmonics
9.
Press MKR
→
, 1/2_more and MKR
→
CF Step.
Sets the marker frequency as the step size of the center frequency.
10.
Press FREQ.
Allows you to set the center frequency.
11.
Press the (
) step key.
A higher harmonic wave is displayed.
