Spectrum Measurements
R&S
®
ESR
440
User Manual 1175.7068.02 ─ 12
e) Press the "Video BW Manual" softkey and enter "10 kHz".
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.
5. By reducing the resolution bandwidth by a factor of 10, the noise is reduced by 10
dB:
Advanced Measurement Examples