Giving Demos of MSO4000 Features
Now observe that the MSO4000 found a timing
change that appears to show a setup and hold
violation in o ne of the bus channels.
In cases such as the on e shown to the right,
the clock and data transitions ap pear to have
occurred at the same time.
Notice the g ray fuzz bands on the display.
These show there is uncertainty here as to the
true edge position of the transition.
As a result, it is unclear if this display
shows a real set up and hold violation or an
under-sampling of the data due to the trigger
system being more precise than the acquisition
system.
You can explore the true state of the edge
position by using the MSO4000’s MagniVu
feature.
Tektronix 4000 Oscilloscope Demo In struction Manual 95