Tektronix TDS7254 Stereo System User Manual


 
Triggering
3-94
CSA7000 Series, TDS7000 Series, & TDS6000 Series Instruments User Manual
When you select the type Glitch, the instrument will trigger on a pulse narrower
(or wider) in width than some specified time. To set up for glitch triggering, do
the following procedures.
Overview To trigger on a glitch Control elements and resources
Prerequisites 1. The instrument must be installed with a signal
connected to an i nput channel. Acquisition system
should be set to Run, and the vertical and horizontal
controls should be set appropriately for the signal to be
acquired.
See page 3--26 for acquisition setup
Select glitch
triggering
2. From the toolbar, touch Trig, and select the A Event tab
of the Trigger control window.
3. Touch Glitch.
Select the
source
4. To specify which channel becomes the trigger source,
touch Source, and select the source from the list.
Select the
polarity and
width
5. To specify the glitch polarity, touch Pos (positive), Neg
(negative) or Either from the Polarity window:
H Pos looks at positive-going pulses.
H Neg looks at negative-going pulses.
H Either looks at both positive and negative pulses.
6. To specify the width of the glitch, touch Width, and set
the glitch width using the multipurpose knob or keypad.
To Trigger on a Glitch