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IM 703155-01E
Checking the Output Waveform
8
Explanation
Displaying the Waveform Data
The description is the same as section 8.1. See page 8-5.
Displayable Waveform Data Formats
The description is the same as section 8.1. See page 8-5.
Eye Display
The waveform data stored on the VB8300 internal hard disk, CF card, or USB memory
can be displayed as an eye pattern with the vertical (Y) axis as the amplitude and the
horizontal (X) axis as the data length.
Note
•
The waveform data that can be displayed is up to the first 2,000,000 points.
•
For the setup procedures on the Configure menu, see section 8.6.
Waveform to Be Displayed
You can select the number of computed points from below.
I
Displays only the I waveform.
Q
Displays only the Q waveform.
Both
Displays both the I and Q waveforms. If the I and Q waveforms take on an exact same
shape, Q is displayed on top of I.
Vertical (Y) and Horizontal (X) Axes
• Vertical Position (Y Position)
You can set separate vertical positions for I and Q.
Selectable range: –5.0 to 5.0 (in 0.1 steps)
Initial value: 0.0
Y Position 2.0
Y Position 0.0
Vertical position
mark
• Vertical Scale (Y Axis Mag.)
You can set the vertical scale.
Range: 0.0 to 100.0 (in 0.1 steps)
Initial value: 1.5
• Vertical Axis Auto Scale (Y Axis Auto Scale)
The vertical scale is set so that the amplitude of the waveform data in the vertical
direction fits on the waveform display frame.
8.5 Eye Display
