Fft spectrum analysis, Basic operation – B&K Precision 2542B-GEN - Manual User Manual
Page 49

Basic Operation
49
FFT Spectrum Analysis
You can use the FFT function to measure harmonic
components and distortion in systems, to characterize noise
in DC power supplies, and to analyze vibration.
Press MATH channel key to turn on the MATH menu page
1/2, and then press Operate softkey to select FFT. The FFT
menu page 1/2 will be displayed.
Softkey
Options
Description
Operate
A+B
Add A and B
A-B
Subtract B from A
A X B
Multiply A by B
FFT
Access FFT menu
Source
CH1
Select CH1 for FFT
CH2
Select CH2 for FFT
Window
Rectangular
Use Rectangular window
Hanning
Use Hanning window
Hamming
Use Hamming window
Blackman
Use Blackman window
Flattop
Use Flattop window
Scale
dBV RMS
Vertical scale in dBV
RMS
V RMS
Vertical scale in V RMS
More 1/2
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Select page 2/2