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SDS5000X Series Digital Oscilloscope User Manual
156 / 236 W W W. S I G L E N T. C O M
dx
y(i) - dx)+(iy
di
Where:
d = Differential result
y = Values of source data
i = Data point index
dx = Differential interval
The range of “dx” in the d/dt menu is1~20. The measurement units are point
and the corresponding time difference range is 0.01~0.20 div. “div” indicates
the number of the pixel points that each division has and is 100 for the
SDS5000X.
If dx = 10 points, the time difference is:
0.01*10 = 0.1 div
Then the differential operator calculates the "average slope in 10 points" of the
selected source and dx represents the time difference between the 10 sampled
points.
dx = 1
dx = 5
Note: Differentiation is sensitive to noise. It is helpful to set the acquisition mode
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