Agilent Technologies N9320A Guida Utente Pagina 48

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40 N9320A Spectrum Analyzer
3 Functions and Measurements
Press
Press
> Mkr -> CF
5 Reduce the span to 500 kHz, if necessary re- center the peak:
Press > 500 > kHz
6 Set the attenuation to 20 dB:
Press > Attenuation > 20 > dB
Figure 10 A signal closer to the noise level
Note that increasing the attenuation moves the noise floor
closer to the signal level.
7 To view the signal more clearly, set the attenuation to 0 dB:
Press > Attenuation > 0 > dB
Figure 11 Measuring a low-level signal using 0 dB Attenuation
Peak
Search
Marker
SPAN
Amplitude
Amplitude
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