HP 83480A - Page 111

Eye, Mask and Eyeline Mode Measurement Tutorials
Testing to a Mask
NOTE
The FDDI and 100BASE-FX masks are not traditional eye diagrams. They require a specic bit
sequence. Refer to the appropriate standards for additional information.
Setting
up
the
system
Set
up
your
measurement
system
according
to
the
following
diagram.
F
or
this
particular
set
of
measurements
,
we
are
testing
a
laser
source
using
an
HP
83485A
plug-in
module
with
an
integrated
optical
to
electrical
converter
.
Figure
5-12.
Setting
up
the measurement.
5-27