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HP 83480A User Manual

HP 83480A
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Eye, Mask and Eyeline Mode Measurement Tutorials
Making Eye Diagram Measurements
Measuring eye height
Eye height is a measurement of the vertical opening of the eye. The
measurement database is analyzed to determine the mean and standard
deviation of the high level and low level. Eye height is dened as:
E ye heig ht
=(
V
top
0
3
top
)
0
(
V
base
+3
base
)
These measurements are made over the middle 20% of the eye by default.
The measurement window can be changed by use of the
4
Dene meas
5
menu.
Figure
5-4.
Eye
height
measurement.
1.
Select
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
NN
N
Eye
height
from
the
softkey
menu
on
the
instrument
display,
and the measurement will be displayed in the lower left corner of the
instrument display
.
5-13

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HP 83480A Specifications

General IconGeneral
BrandHP
Model83480A
CategoryMeasuring Instruments
LanguageEnglish

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