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SIGLENT
24 SDS1000CFL User Manual
1. FFT Spectrum Analyzer
The FFT process mathematically converts a time-domain signal into its frequency
components. You can use the Math FFT mode to view the following types of
signals:
● Analyze the Humorous wave in the Power cable.
● Test the Humorous content and distortion in the system
● Show the Noise in the DC Power supply
● Test the filter and pulse response in the system
● Analyze vibration
Table 2-9 FFT function menu 1:
FFT Option Setting
Introduction
Source
CH1, CH2
CH3,CH4
Select this channel as the FFT source.
Window
Hanning
Hamming
Rectangular
Blackman
Select FFT window types.
FFT ZOOM
1X
2X
5X
10X
Changes the horizontal magnification of
the FFT display.
Next Page Page 1/2 Enter the second page of FFT menu.
Table 2-10 FFT function menu 2:
FFT Option Setting
Introduction
Vrms
Set Vrms to be the Vertical Scale unit.
Scale
dBVrms
Set dBVrms to be the vertical Scale unit.
Display
Split
Full screen
Display FFT waveform on half screen.
Display FFT waveform on full screen.
Next Page Page 2/2
Return the first page of FFT menu.
To use the Math FFT mode, you need to perform the following tasks:
1. Set up the source (time-domain) waveform.
● Press the AUTO button to display a YT waveform.
● Turn the vertical “POSITION” knob to move the YT waveform to the center
vertically (zero divisions).
● Turn the horizontal “POSITION” knob to position the part of the YT waveform
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