9-16
IM 704510-01E
A
↑
to B
↑
Measurement Excluding the Minimum Mark or Space
Analyzes the A
↑
to B
↑
data excluding the minimum Mark or Space (3T)
3T
Space
Mark
Mark
3T 3T
3T
6T
11T
11T
14T
7T
Space Space
Space
Mark
Mark
Mark
Setting
Mode: ISI
Function: PWA
→
TI
> Slope: A or A A
↑
B
↑
Display > Window: Window setting suitable for the measured signal
> ISI Setting > Mode: Combination
> Polarity:
> Trigger:
> : 4T-MaxT (specify all Spaces greater than 4T)
> : 4T-MaxT (specify all Marks greater than 4T)
> Target: Mid. A
↑
B
↑
:+
A B
CH A measurement
CH B measurement
Trigger
Analyzes the applicable A
↓
B
↑
data.
Histogram display of
all Mark data
Histogram display of
extracted Mark data
Set “analyze A
↑
B
↑
data
of Space (4T-Max) and
Mark (4T-Max)"
Statistical values of
the extracted Mark data
Statistical values of
all Mark data
Note
Due to the limitation of the continuous measurement conditions, signals can be acquired at
higher speeds when A
A
↑
B
↑
or A
A
↓
B
↑
is selected as compared to when
Slope: A
A B
is selected (see “Continuous Measurement Conditions” on page2-7).
9.3 Examples of Inter-symbol Interference Analysis