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Basic Measurement Examples
R&S
®
FSVA/FSV
124
Quick Start Guide 1321.3066.02 ─ 05
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 6-5: 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
Summary of Contents for R&S FSV
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