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19.3 Algebra
The T3DSO2000A can perform algebra operations including differential (d/dt), integral
(∫dt) and square root (√)
19.3.1 Differential
The differential (d/dt) operator is used to calculate the derivative of the selected source.
It is always used to measure the instantaneous slope of the waveform, such as the slew
rate of an operational amplifier. The differential equation is:
y (i + dx) - y (i)
di =
dx
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 is 2~20. The measurement units are point and the
corresponding time difference range is 0.02~0.20 div. "div" indicates the number of the
pixel points that each division has and is 100 for the T3DSO2000A. 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.
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T3DSO2000A Manual. Page 123
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