4.6 Viewing Noise Measurement Values (FFT Function)
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Chapter 4 Viewing Measurement Values
A numerical noise value is recognized as a peak value when its amplitude is greater than the levels of the
next lower- and higher-frequency points in voltage and current FFT calculation results, and the ten high-
est peak values are acquired.
In this case, frequencies below the set minimum noise frequency are ignored.
Settings on the Setting Screen
The range of available settings for the minimum noise frequency depends on the noise sam-
pling rate setting.
Select the item
Display the
[Calc] page
Select with the F keys
Minimum Noise FrequencyFrequency
Level
Noise Sampling Rate 500 kS/s 250 kS/s 100 kS/s 50 kS/s 25 kS/s 10 kS/s
Minimum Noise
Frequency
0 to 10 kHz 0 to 9 kHz 0 to 4 kHz 0 to 1 kHz
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