Agilent Technologies 8504B - Page 58

FINAL TRIM SIZE : 7.5 in x 9.0 in
P
erforming
Guided
Setups
and
Calibrations
Running Guided
Setups
and
Calibrations
Calibrate
Magnitude
18.
Disconnect the
termination from
the TEST
PORT
.
19.
Connect a
second cable
that
is
the
same
length
as
the
REFERENCE
EXTENSION
cable to
the TEST
PORT .
The
free end
of this
cable serves
as
the
\Fresnel"
cal
standard.
When
using
the supplied
cables
,
the
free
end
of
the
cable
functions
as
the
calibration
standard. This
is
possible
because
the
percentage
of
light
reected
by that
type
of
cable
connector
is
known.
F
or
1300
nm
measurements
,the
correct
value
is
15
dB
(3.16%).
F
or
1550
nm,
the
correct
value is
14.7
dB
(3.37%).
Other
calibration
standards
(cables
,
connectors
,
or
devices)
may
have
other
reection
values
.
20. If
you
are
using
cables
from
the
Option
001
accessory
kit,
press
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
FRESNEL
.
If
you are
using
another
standard,
perform
the
following
steps:
a.
Obtain
the standard's
reection return
loss (in
dB).
b.
Enter
this
value
using
the
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
USER
STD
softkey
.
21.
Press
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
MEASURE
STANDARD ,
and wait
for
the
standard
to
be
measured.
Connect
Device Under
T
est
22.
Disconnect the
cable
from
the
TEST
PORT
.
23.
Connect the
device to
be
tested
to
the
TEST
PORT
.
24.
Press
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
MEASURE
DEVICE
and
then
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
EXIT
SETUP
to
complete
the
guided
setup
and
begin
device
measurements
.
25. As you measure devices
, observe the following
suggestions:
2-11
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