HP 8753D Option 011

Check
the Trace
with the
Sampler Correction
Constants Off
1.
Press 4
PRESET
54
MEAS
54
A
54
SCALE REF
5
NN
NN
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
AUTO SCALE
.
2.
The
trace
is
currently
being
display
ed with
the sampler
correction constan
ts on
and
should
resem
ble Figure
8-7a.
3.
Press
4
SYSTEM
5
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
N
SERVICE
MENU
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
SERVICE
MODES
N
N
N
N
N
N
N
N
NN
NN
NN
MORE
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
N
N
N
N
N
SAMPLER
COR
OFF .
4.
The
trace
is
no
w
b
eing
display
ed with
sampler correction
constants
o
and
should
ha
v
e
w
orsened to
resemble
Figure 8-7
b.
5.
Press
4
SAMPLER COR
ON
5
.
The
trace
should
impro
v
e
and
resem
ble
Figure
8-7
a
again.
Note
When
the
correction
constan
ts
are
switc
hed o,
an absolute
oset and
bandswitc
h
p
oin
ts
ma
y
b
e
eviden
t.
If
the
trace
sho
ws
no
impro
v
emen
t
when
the
sampler
correction
constan
ts
are
toggled
from
o
to
on,
p
erform
the
\Sampler
Magnitude
and
Phase
Correction
Constan
ts
(Test
53)"
adjustmen
t
describ
ed
in
Chapter
3,
\Adjustmen
ts
and
Correction Constan
ts." If
the trace
remains
bad
after
this
adjustmen
t,
the
A10
assem
bly
is
defectiv
e.
Figure
TRA
CE8
here.
Figure 8-7. Typical Trace with Sampler Correction On and Off
DRAFT
3/21/106 15:13
Receiver Troubleshooting 8-9
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