Figure 5-5.
Standard Connections
for a
Response
and
Isolation
Error-Correction
for
Transmission
Measurements
Note
If
you
will
be
measuring
highly
reective
devices
,
such
as
lters
,
use
the
test
device
,
connected
to
the
reference
plane
and
terminated
with
a
load,
for
the
isolation
standard.
10.
T
o
help
remove
crosstalk
noise
, set
the analyzer
as
follows:
a.
Press
4
A
V
G
5
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N
AVERAGING
ON
N
N
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N
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N
N
N
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N
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NN
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NN
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N
AVERAGING
FACTOR
and
enter
at
least
four
times
more
averages
than
desired
during
the
device
measurement.
b.
Press
4
CAL
5
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MORE
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NN
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N
NN
N
N
N
N
N
N
N
N
N
ALTERNATE
A
and
B
to
eliminate
one
crosstalk
path.
11.
T
o
measure
the
calibration
standard,
press:
4
CAL
5
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N
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N
N
N
RESUME
CAL
SEQUENCE
N
N
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N
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N
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N
NN
NN
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N
ISOL'N
STD
12.
Return
the
averaging
to
the
original
state
of
the
measurement.
For
example,
reduce the
averaging
factor
by
at
least
four
times
or
turn
averaging
o.
13.
T
o
compute
the
isolation
error
coecients
,
press:
4
CAL
5
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N
RESUME CAL
SEQUENCE
NN
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NN
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N
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NN
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NN
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N
DONE RESP
ISOL'N
CAL
The
analyzer
displays
the
corrected
data
trace
.
The analyzer
also shows
the notation
Cor
at
the
left
of
the
screen,
indicating
that
the
correction is
switched
on
for
this
channel.
Note
You can save
or store the measurement correction to use for later
measurements. Refer to the \Printing, Plotting, and Saving Measurement
Results" chapter for procedures
.
14. This completes
the response and isolation correction for transmission measurements
.Y
ou
can connect and measure
your device under test.
5-16 Optimizing Measurement Results
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