VOLTCRAFT PLUS DSO 4022 - Automatic Measurements; Measurement Items

41
Automatic Measurements
Automatic measurement function measures input signal attributes
and updates them in the display.
Measurement items
Overview Voltage type
Vpp
Vmax
Vmin
Vamp
Vhi
Vlo
Vavg
Vrms
ROVShoot
FOVShoot
RPREShoot
FPREShoot
Time type
Frequency
Period
RiseTime
FallTime
+Width
-Width
Dutycycle
Voltage
measurement
items
Vpp
Difference between positive
and negative peak voltage
(=Vmax − Vmin)
Vmax
Positive peak voltage.
Vmin
Negative peak voltage.
Vamp
Difference between global
high and global low voltage
(=Vhi − Vlo)
Vhi
Global high voltage.
Vlo
Global low voltage.
DSO-4000 User Manual
42
Vavg
Averaged voltage of the first
cycle.
Vrms
RMS (root mean square)
voltage.
ROVShoot
Rise overshoot voltage.
FOVShoot
Fall overshoot voltage.
RPREShoot
Rise preshoot voltage.
FPREShoot
Fall preshoot voltage.
Time
measurement
items
Freq
Frequency of the waveform.
Period
Waveform cycle time
(=1/Freq).
Risetime
Rising time of the pulse
(~90%).
Falltime
Falling time of the pulse
(~10%).
+Width
Positive pulse width.
–Width
Negative pulse width.
Duty Cycle
Ratio of signal pulse
compared with whole cycle
=100x (Pulse Width/Cycle)