Basic Measurement Examples
R&S
®
FSVA/FSV
111Quick Start Guide 1321.3066.02 ─ 06
4. Set the resolution bandwidth to 100 kHz. To do so, in the bandwidth menu,
press the "Res BW Manual" softkey and enter 100 kHz.
It is no longer possible to clearly distinguish the two generator signals.
Figure 7-5: Measurement of two equally-leveled RF sinusoidal signals with a resolu-
tion bandwidth which is larger than their frequency spacing
Note: Reducing the resolution bandwidth. The resolution bandwidth (RBW)
can be reduced again by turning the rotary knob counterclockwise, thus yield-
ing a higher frequency resolution.
5. Set the resolution bandwidth to 1 kHz. To do so, in the bandwidth menu, press
the "Res BW Manual" softkey and enter 1 kHz.
The two generator signals are shown with high resolution. However, the
sweep time becomes longer. At smaller bandwidths, the noise display decrea-
ses simultaneously (10 dB decrease in noise floor for a decrease in bandwidth
by a factor of 10).
Measuring Signal Spectra with Multiple Signals
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