Anritsu S113C Guía de usuario Pagina 90

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Remember, the resolution bandwidth must be equal to or less than the frequency separation
of the signal. Therefore, a 10 kHz resolution bandwidth must be used. The next larger filter,
30 kHz, containing some variation, would not resolve the two signals. Also, keep in mind
that noise side-bands (phase noise) can also affect resolution.
5-18
Chapter 5 Spectrum Analyzer Measurements
Figure 5-9. Measurement of Two Signals Having Equal Amplitudes , RBW = 30 kHz
Figure 5-10. Measurement of Two Signals Having Equal Amplitudes , RBW = 10 kHz
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