WaveRunner 6 Zi Oscilloscopes
71
WR6Zi-GSM-E
Trigger
Trigger Overview
Triggering is the way an oscilloscope selects an exact moment in time on
a signal to then be shown on the screen. If the pattern of a signal
happens to be repetitive, a continuous waveform pattern is inherently
visible on the display.
But without a regular signal pattern, the oscilloscope requires controls to
determine what specific point in time (when a trigger is met) to show the
signal on the display. This is accomplished and affected in a variety of
ways.
Some trigger settings allow for pre-trigger, post-trigger, and a delay
between the time of the trigger event and the time when the display is
refreshed (or sweeped) and the waveform is again shown on the screen.
The instrument uses many waveform capture techniques that trigger on
features and conditions that you define. These triggers fall into the
following major categories:
Simple Triggers
- activated by basic waveform features or
conditions such as a positive or negative slope, and hold‐off
SMART Triggers
- sophisticated triggers that enable you to use
basic or complex conditions for triggering. Use SMART Triggers for
signals with rare features, like glitches.
Measurement Trigger
- triggers that allow you to leverage
parameter measurements as waveform trigger conditions. A
measurement trigger is either the only trigger or the final trigger
in a chain of trigger events including hardware triggers.
MultiStage Triggers
- varied forms of triggers including
Cascaded
,
QualFirst
, and
Qualified
allowing varied combinations of triggers
and trigger stages.
Trigger Types
There are a set of standard Trigger Types. These Triggers are basic
waveform features or conditions such as a positive or negative slope, and
hold-off and are available on all oscilloscopes along with tools like
Software Assisted Trigger
and
Trigger Scan
.
