HP 8753D - Page 77

4.
Reconnect your
test device
.
5.
To
better view
the measurement
trace
,
press:
4
SCALE
REF
5
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N
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AUTO
SCALE
6. T
o locate
the
maximum
amplitude
of
the
device
response
,
as
shown
in
Figure
2-25
, press:
4
MARKER
F
CTN
5
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MKR
SEARCH
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SEARCH:
MAX
Figure
2-25.
Example
Magnitude
Response
Measurement
Results
Measuring
Insertion
Phase
Response
7.
T
o
view
both
the
magnitude
and
phase
response
of
the
device
,as
shown
in
Figure
2-26
,
press:
4
CHAN
2
5
4
DISPLA
Y
5
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NN
NN
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N
DUAL
CHAN
ON
4
F
ORMA
T
5
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PHASE
The
channel
2 portion
of Figure
2-26 shows
the
insertion
phase
response
of
the
device
under
test.
The
analyzer
measures
and
displays
phase
over
the
range
of
0
180

to
+180

.
As
phase
changes beyond
these
values
,
a
sharp
360

transition occurs
in
the
displayed
data.
Figure 2-26. Example Insertion Phase Response Measurement
2-28 Making Measurements