R3267 Series Spectrum Analyzer Operation Manual (Vol.1)
2.2.6 Separating Two Signals
2-34
7.
Press SPAN, 2, 0 and MHz.
A frequency span of 20 MHz is set.
8.
Press LEVEL, 1, 0 and MHz(-dBm).
The reference level of -10 dBm is set.
The spectrums are not fully separated because the RBW default setting is 300
kHz. As a result, the display shows only one input signal even though there are
actually two.
Figure 2-38 Two Superimposed Peaks
9.
Press COUPLE, RBW AUTO/MNL(MNL), 3, 0 and kHz.
The RBW is set to 30 kHz.
Two peaks are now discernible but they are still not clearly separated.
Figure 2-39 Two Discernible Peaks
10. Press 1, 0 and kHz.
The RBW is set to 10 kHz.
Two peaks can now be distinctly seen.