Measure
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Tablet1000 User manual Copyright © Qingdao Hantek Electronics Co., LTD
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The measurement display area can display up to 32 measurement parameters, and the
measurement is carried out according to the selection order. If a 33rd measurement
parameter is added, the first measurement parameter will be deleted.
Note: If the parameter does not match the measurement condition, “****” will be
displayed.
10.2.1 Time parameters
1. Period: Defined as the time between the mid-threshold intersection of two
continuous, homopolar edges.
2. Frequency: Defined as the reciprocal of the period.
3. Rising time: The time that the signal amplitude rises from the lower limit to the upper
limit of the threshold.
4. Falling time: The time that the signal amplitude decreases from the upper limit to the
lower limit of the threshold.
5. Positive pulse width: The time difference between the threshold midpoint of the
rising edge of the pulse and the threshold midpoint of the following falling edge.
6. Negative pulse width: The time difference between the threshold midpoint of the
falling edge of the pulse and the threshold midpoint of the following rising edge.
7. Positive duty cycle: The ratio of positive pulse width to period.
8. Negative duty cycle: The ratio of negative pulse width to period.
9. Pulse width: Time from the first edge of the data source to the last edge.
10. Maximum time: The time value corresponding to the maximum waveform (Vmax).
11. Minimum time: The time value corresponding to the minimum waveform (Vmin).
Note: The upper threshold, middle threshold and lower threshold are 90%, 50%
and 10% respectively.
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