To Trigger On A Glitch - Tektronix CSA7404B User Manual

To Trigger on a Glitch

Overview To trigger on a glitch
Prerequisites 1. The instrument must be installed with a signal
connected to an input channel. Acquisition system
should be set to Run, and the vertical and horizontal
controls should be set appropriately for the signal to be
acquired.
Select glitch 2. From the toolbar, touch Trig, select the A Event tab of
triggering
the Trigger control window, and touch Select.
3. Touch Glitch.
Select the 4. To specify which channel becomes the trigger source,
source
touch Source, and select the source from the list.
Select the 5. To specify the glitch polarity, touch Pos (positive), Neg
polarity and
(negative) or Either from the Polarity window:
width
H
H
H
6. To specify the width of the glitch, touch Width, and set
the glitch width using the multipurpose knob or keypad.
CSA7000B Series & TDS7000B 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.
Pos looks at positive-going pulses.
Neg looks at negative-going pulses.
Either looks at both positive and negative pulses.
Control elements and resources
See page 3- - 23 for acquisition setup
Triggering
3- 83