GW Instek GDS-1062A - Automatic Measurements; Measurement Items

MEASUREMENT
47
Automatic Measurements
The automatic measurement function measures input signal
attributes and updates them in the display. Up to 5 automatic
measurement items can be updated at any one time on the side
menus. All automatic measurement types can be displayed on
screen if necessary.
Measurement items
Overview Voltage type Time type Delay type
Vpp
Vmax
Vmin
Vamp
Vhi
Vlo
Vavg
Vrms
ROVShoot
FOVShoot
RPREShoot
FPREShoot
Frequency
Period
RiseTime
FallTime
+Width
-Width
Dutycycle
FRR
FRF
FFR
FFF
LRR
LRF
LFR
LFF
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.
GDS-1000A Series User Manual
48
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
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)
Delay
measurement
items
FRR
Time between:
Source 1 first rising edge and
Source 2 first rising edge