HP 1660CS, User Manual

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To detect a glitch
The following setup uses a state analyzer to capture state flow occurring at
the time of the glitch. This can be useful in troubleshooting. For example, you
might find that the glitch is ground bounce caused by a number of
simultaneous signal transitions.
1
Set up a timing analyzer and a state analyzer.
2
Go to the timing analyzer’s Format menu and set the Timing
Acquisition Mode to Glitch Half Channel 125 MHz.
Glitch mode only allows you to use one pod of a pod pair at a time. If the
wrong pod is active, toggle by selecting the Pod button.
3
Go to the timing analyzer’s Trigger menu.
4
Select an Edge term. Then assign glitch detection "*" to the channels
of interest represented by the Edge term.
5
Go to the state analyzer’s Trigger menu.
6
Set the analyzer to be armed by the timing analyzer. Leave the trigger
set to trigger on any state.
If you don’t see the activity of interest in the state trace, try changing the
trigger position using the Acquisition Control field in the Trigger menu of the
state analyzer. By changing the Acquisition mode to manual, you can position
the trigger at any state relative to analyzer memory.
The timing analyzer can detect glitch activity on a waveform. A glitch is defined
as two or more transitions across the logic threshold between adjacent timing
analyzer samples.
Cross-Arming Trigger Examples
To detect a glitch
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