R&S ESR Series User Manual page 443

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R&S ESR
e) Press the "Video BW Manual" softkey and enter "10 kHz".
5. By reducing the resolution bandwidth by a factor of 10, the noise is reduced by 10
dB:
User Manual 1175.7068.02 ─ 12
The RF signal can be more clearly distinguished from noise.
Figure 6-27: RF sine wave signal with low S/N ratio if a smaller video bandwidth is selected.
Spectrum Measurements
Advanced Measurement Examples
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