Eye, Mask and Eyeline Mode Measurement Tutorials
Making Eye Diagram Measurements
1. Follow the instructions under \Positioning the waveform" earlier in this
section, to position your data waveform.
2. If the optical channel lter is on, it should be turned o to
remove its eect from the measurement. Select
4
Channel
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Bandwidth/wavelength....
,
NNNNNNNNNNNNNNNNNNNN
Filter
o.
3.
Make sure that color grade is on. Select
4
Display
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Color grade...
on.
4. Select the
blue
colored button from the ENTRY/MEASURE group on the
instrument's front panel. This activates the
Blue Labeled
measurement
functions of the instrument.
5. Select the
4
Rise
5
button from the ENTRY/MEASURE group on the
instrument's front panel.
a.
Select
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
color grade
for accurate
measurements of
risetime
for
eye
waveforms
.
b.
Select
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
Enter
.
5-22
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