HP 8753D - Page 159

Figure
3-25.
Connections
for
a
Response
Calibration
5.
P
erform
a
response
calibration
by
pressing
4
CAL
5
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N
NN
NN
NN
NN
N
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N
N
N
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N
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N
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N
N
CALIBRATE
MENU
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
RESPONSE
N
N
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N
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N
THRU
.
Note
A
full 2
port
calibration
will
increase
the
accuracy
of
isolation
measurements
.
Refer
to Chapter
5,
\Optimizing
Measurement
Results
."
6.
Make
the
connections
as
shown
in
Figure 3-26
.
Figure
3-26. Connections
for a
Mixer Isolation
Measurement
7. T
o adjust the display
scale, press:
4
SCALE REF
5
N
N
NNNNNNNNNNNNNNNNNNNNNNNNN
NNNNN
AUTO SCALE
The measurement results show the mixer's LO to RF isolation.
3-34 Making Mixer Measurements