GW Instek GDS-3152 - Page 126

GDS-3000 Series User Manual
126
Delay trigger example (by time)
A
B
C
D
A
Ext. trigger input
B
Source
C
Delay time length
D
First triggering point
Pulse Width
Triggers when the pulse width of the signal is less
than, equal, not equal or greater than a specified
pulse width.
Pulse width
Video
Extracts a sync pulse from a video format signal,
and triggers on a specific line or field.
Pulse and Runt
Triggers on a “runt”. A runt is a pulse that passes a
specified threshold but fails to pass a second
threshold. Both positive and negative runts can be
detected.
A
B
C
D
A
Pulse
B
Runt
C
High threshold
D
Low threshold
Rise and Fall
Trigger on rising and or falling edges, below or
over a specified rate. The threshold can also be
specified.
B
A
A
Thresholds
B
Rate (time)