AD Instruments AD1062P Manual De Usuario página 192

ON
Enable
OFF
A + B
A - B
Operate A X B
A / B
FFT
CHI
Source A
CH2
CHI
Source B
CH2
I/2
2/2
Coarse
Volt/Div
Fine
ON
Invert
OFF
Ix IOx
IOOx
Probe
IOOOx
2/2
Add, Subtraction, Multiplication,Division and FFT
In the Math function, use the addition, subtraction, multiplication,division and FFT to
operate and analyze the waveform.
The multiplication function window is displayed in figure 2-I3
7. FFT
The FFT (Fast Fourier Transform) process converts a time-domain signal into its
frequency components mathematically.
FFT waveforms are useful in the following applications:
■
Measure harmonic content and distortion in systems
■
Characterize noise in DC power supplies
■
Analyze harmonics in power lines
Turn on math
Turn off math
Add source A and source B
Subtract source B from source A
Multiply source B by source A
Divide source A by source B
Fast Fourier Transform
Define CHI or CH2 as source A
Define CHI or CH2 as source A
Go to the next menu page
Back to the previous menu page
Set Voltage range coarsely
Set Voltage range finely
Invert the MATH waveform
Waveform display normal
Select one according the probe
attenuation factor to ensure a correct
vertical scale reading
Back to the previous menu page
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