Oscilloscope Reference Runt trigger
Runt trigger
A runt trigger occurs when the instrument detects a short pulse that c rosses one threshold but fails to
cross a second threshold before recrossing the first.
You can set the instrument to detect any positive or negative runt pulse, or only those wider than
aspecified minimum width.
Runt pulses can also be qualified by the logic al state of other channels.
Setup and hold trigger
A setup/hold trigger occurs when a data signal changes state inside of the user specified setup and hold
times relative to the clock. When you use setup/hold triggering, you define:
The channel containing the logic input (the data source) and the channel containing the clock (the
clock source)
The direction of the clock edge to use
The clocking level and data level that the instrument uses to determine if a clock or data transition
has occurred
The setup and hold times that together define a time range relative to the clock
Data that changes state within the setup/hold violation zone triggers the instrument. The next figure shows
how the setup and hold times that you choose position the violation zone relative to the clock.
706 DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series
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