Calibration
Required
for
the Network
Analyzer Mode
P
erforming
a
Full
2-P
ort
Calibration
Step
1: Opening
the Full
2-Port
Calibration
Menu
1.
Press
4
Cal
5
.
2.
Select the
proper
calibration
kit.
If
the
connector
type
or
calibration
kit
name
shown in
the
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
CAL KIT
softkey label
is
not
the
same
as
the
calibration
kit
to
be
used,
see
the
\Selecting
the
Calibration
Kit"
procedure
.
3.
Press
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
CALIBRATE
MENU
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
FULL
2-PORT
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
REFLECT'N
.
Step 2:
Measuring the
Reection
1. Connect
a shielded
OPEN to
port
1.
2.
Press
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
(S11):
OPEN
(for
the 7
mm or
3.5 mm
calibration
kit)
or
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
(S11):
OPENS
(for
the
type-N
calibration
kit).
When
the
7
mm
or
3.5
mm
calibration
kit
is selected
in step
1,
the
OPEN
data
is
measured
and
the
softkey
label
N
N
N
N
N
N
N
N
N
N
N
N
N
N
OPEN
is
underlined.
3.
If the
type-N calibration
kit is
selected,
do
the
following:
a.
Press
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
OPEN
[M]
(for
a
male
port
connector)
or
press
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
OPEN
[F]
(for
a
female
port
connector).
The
OPEN
data
is
measured.
The
softkey
label
is then
underlined.
b.
Press
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
DONE:
OPENS
.
4.
Disconnect
the
OPEN
and
connect
the
SHORT
to
port
1.
5.
Press
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
(S11):
SHORT
(for
the
7
mm
or
3.5
mm
calibration
kit)
or
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
(S11):
SHORTS
(for
the
type-N
calibration
kit).
When
the
7
mm
or
3.5
mm
calibration
kit
is
selected,
the
SHORT data
is measured
and
the
softkey
label
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
SHORT
is
underlined.
6.
If
the
type-N
calibration
kit
is selected,
do the
following:
a.
Press
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
SHORT
[M]
(for
a
male
port
connector)
or
press
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
SHORT
[F]
(for
a
female
port
connector).
The
SHORT data
is measured
and the
softkey label
is then
underlined.
b.
Press
NNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNN
DONE: SHORTS
7. Disconnect the SHORT and connect an impedance-matched LO
AD (usually 50 or 75 ) at
port 1.
8.
Press
N
NNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNN
(S11): LOAD
. Then conrm the
N
NNNNNNNNNNNNN
LOAD
softkey label is underlined.
9. Repeat the OPEN-SHORT-LO
AD measurements described above
, connecting the devices in
turn to port 2 and using the (S22) softkeys
.
10.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
REFLECT'N DONE
.
The reection calibration coecients are computed and stored. The two-port calibration menu
is displayed (with the
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
REFLECT'N
softkey underlined).
7-6 Calibration
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