GW Instek GDS-1000-U Series User Manual - Manual (Page 53)

MEASUREMENT
53
Vhi Global high voltage.
Vlo Global low voltage.
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
T
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)