R3132 Series Spectrum Analyzer Operation Manual
2.3.10 FM Demodulation Function (OPT73)
2-99
Figure 2-99 FM Deviation Measurement
12. Press Deviation OFF.
The FM deviation measurement function is turned off.
Sensitivity Measurement
The sensitivity measurement calculates the ∆F/∆T of trace data, and displays it. ∆T is
determined by Aperture as shown in the formula below:
∆T = Sweep time × Aperture [%]
The unit of the vertical axis is [Hz/ms/] for a frequency range of 1 MHz/ or more, and
is [Hz/s/] for a frequency range of 500 kHz/ or less. The value of the vertical axis (sen-
sitivity range) is optimized according to the frequency range and sweep time used.
Figure 2-100 How to Calculate the Sensitivity
∆F
∆T
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