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Chapter 6 Operations and Measurements RIGOL
DS8000-R User Guide 6-27
to the threshold middle value of the next falling edge.
6
． -Width: indicates the time between the threshold middle value of a falling edge
to the threshold middle value of the next rising edge.
7
． +Duty: indicates the ratio of the positive pulse width to the period.
8
． -Duty:indicates the ratio of the negative pulse width to the period.
9
． Tvmax: indicates the time that corresponds to the maximum value of the
waveform (Vmax).
10. Tvmin: indicates the time that corresponds to the minimum value of the
waveform (Vmin).
Note: The default values for threshold upper limit, threshold middle value, and
threshold low limit are 90%, 50%, and 10%, respectively. You can click Measure in
the function navigation menu, then click Setting to enter the sub-menu to set the
parameters.
Count Values
1
． Positive Pulse Count: The number of positive pulses that rise from under the
threshold lower limit to above the threshold upper limit.
2
． Negative Pulse Count: The number of negative pulses that fall from above
the threshold upper limit to below the threshold lower limit.
3
． Rising Edge Count: The number of rising edges that rise from under the
threshold lower limit to above the threshold upper limit.
Positive Pulse Count = n
1 2 n
Negative Pulse Count = n
1 2 n
Threshold Upper Limit
Threshold Lower Limit
Threshold Upper Limit
Threshold Lower Limit
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