
Calibration
Required
for
the
Network
Analyzer
Mode
Step
3:
Measuring
the
Transmission
1.
Connect
a
THRU
between
the
test
port
and
the
return
cable
to
the
analyzer
(connect
to
the
points
at
which
the
test
device
is
connected).
2.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
TRANSMISSION
.
3.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
FWD.
TRANS.
THRU
.
Then
wait
the
S21
frequency
response
is
measured
and
the
softkey
label
is
underlined.
4.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
FWD.
MATCH
THRU
.
Then
wait
the
S11
load
match
is
measured
and
the
softkey
label
is
underlined.
5.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
TRANS.
DONE
.
The
transmission
coecients
are
computed
and
stored.
The
two-port
calibration
menu
is
displayed
(with
the
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
TRANSMISSION
softkey
underlined).
Step
4:
Measuring
the
Isolation
1.
If
correction
for
isolation
is
not
required,
press
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNN
ISOLATION
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
OMIT
ISOLATION
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ISOLATION
DONE
.
Skip
to
step
5.
2.
If
correction
for
isolation
is
required,
connect
impedance-matched
LO
ADs
to
the
test
port
and
the
return
port.
3.
Press
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
FWD
ISOL'N
ISOL'N
STD
.
Then
wait
the
S21
isolation
is
measured
and
the
softkey
label
is
underlined.
4.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ISOLATION
DONE
.
The
isolation
error
coecients
are
stored.
The
two-port
calibration
menu
is
displayed
(with
the
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNN
ISOLATION
softkey
underlined).
Step
5:
Completing
the
Calibration
1.
Press
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DONE
2-PORT
CAL
to
complete
the
calibration.
The
error
coecients
are
computed
and
stored.
The
correction
menu
is
displayed
with
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CORRECTION
ON
off
.
A
corrected
trace
is
displayed.
The
notation
\C2 "
at
the
left
of
the
screen
indicates
that
2-port
error
correction
is
ON.
Step
6:
P
erforming
the
Measurement
1.
Connect
the
test
device
in
the
reverse
direction.
Then
press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PRESS
to
CONTINUE
.
2.
Reconnect
the
test
device
in
the
forward
direction.
Then
press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PRESS
to
CONTINUE
.
Now
the
error
corrected
trace
is
displayed.
If
you
measure
the
other
test
device
,
press
4
T
rigger
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MEASUREMENT
RESTART
.
Then
perform
the
procedure
of
step
6.
Save
the
calibration
data
on
a
oppy
disk
or
memory
disk.
F
or
additional
information
about
calibration,
see
Appendix
A.
Calibration
7-9
Summary of Contents for 4395A
Page 8: ......
Page 9: ......
Page 10: ......
Page 12: ......
Page 13: ......
Page 14: ......
Page 16: ......
Page 50: ......
Page 58: ...Power Requirements Figure 2 1 Power Cable Supplied 2 6 Installation Guide ...
Page 69: ...Connecting an Active Probe Figure 2 10 Connecting Test Fixture Installation Guide 2 17 ...
Page 72: ......
Page 93: ...Step 2 Setting Up the 4395A Quick Start Guide 3 21 ...
Page 130: ......
Page 144: ......
Page 154: ......
Page 251: ...Measuring Zero Span Figure 8 28 Marker Time Analyzing the Measurement Results 8 49 ...
Page 262: ......
Page 278: ......
Page 376: ......
Page 410: ...Markers Figure A 19 Bandwidth Search Example A 34 Basic Measurement Theory ...
Page 448: ......
Page 449: ...B Softkey Reference Softkey Reference B 1 ...
Page 462: ...4Bw Avg5 B 14 Softkey Reference ...
Page 528: ......
Page 532: ......
Page 560: ......