RIGOL
Chapter 3 Demo Board Applications
User’s Guide for DS6000 Demo Board
3-22
3.2.6 Frequent Abnormal Signal
1.
Signal Explanation
Signal Output Pin:
FREQ_AN
Square waveform with 1MHz frequency. Narrow pulse occurs every 1ms and the pulse width
cannot exceed 5ns.
2.
Functions
Pass/Fail, pulse trigger
3.
Demonstration and Result
Connect the signal output pin FREQ_AN and GND to CH1 of the oscilloscope properly using the
probe.
Set the trigger type to “Pulse”, the trigger condition to <6ns the trigger mode to “Auto” and the
trigger level to 500mV. At this point, the abnormal signals can be observed stably as shown in
the figure below.
Figure 3-26 Stable Display of Frequent Abnormal Signal
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