HP 8753D Option 011

No
de 18
IF Det
2N (IF
on A11
phase lo
ck
after
3
MHz
lter)
P
erform step
A11, ab
ov
e,
and
then
press
4
MEAS
5
N
NN
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
ANALOG
IN 4
18
5
4
x1
5
4
STOP
5
4
20
5
4
M/

5
4
SCALE REF
5
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
AUTOSCALE .
This
no
de
detects
the
IF
within
the
lo
wpass
lter/limiter. The
lter is
used during
the trac
k
and
sw
eep
sequences
but nev
er in
band 1
(3.3 to
16
MHz).
The
lo
w
lev
el
(ab
out
0
1.7
V)
means
IF is
in
the
passband
of
the
lter.
This
no
de
can
b
e
used
with
the
FRA
C
N TUNE
and
SR
C
TUNE
service
mo
des.
Figure
NODE18
here.
Figure
10-13.
Analog
Bus
Node
18
No
de
19
IF
Det
2W
(IF
after
16
MHz
lter)
P
erform
step
A11,
ab
o
v
e,
and
then
press
4
MEAS
5
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
ANALOG
IN
4
19
5
4
x1
5
4
MENU
5
4
STOP
5
4
20
5
4
x1
5
4
SCALE
REF
5
4
.2
5
4
x1
5
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
REFERENCE
VALUE
4
-1.2
5
4
x1
5
.
This
no
de
detects
IF
after
the
16
MHz
lter/limiter.
The
lter
is
used
during
pretune
and
acquire,
but not
in band
1.
Normal
state
is
a
at
line
at
ab
out
0
1.7
V
.
No
de
20
IF
Det
1
(IF after
30 MHz
lter)
Perform
step
A11,
ab
o
v
e
and
then
press
4
MEAS
5
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
ANALOG IN
4
20
54
x1
54
SCALE
REF
54
1
54
x1
5 .
The
trace
should
b
e
a
at
line
across
the
entire
frequency band
at least
0.5 V
greater
than Vbb
(no
de
14).
The
correct
trace
indicates
the
presence
of
IF
after
the
rst 30
MHz
lter/limiter.
A12 Reference
To observ
e the A12 analog bus no des p erform step A12, b elo
w. Then follo
w the no de-specic
instructions.
Step A12.
Press:
4
PRESET
5
4
MEAS
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ANALOG IN
4
MARKER
5
4
SYSTEM
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE MENU
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ANALOG BUS ON
4
FORMAT
5
NNNNNNNNNNNNNN
MORE
NNNNNNNNNNNNNN
REAL
DRAFT
3/21/106 15:14
Service Key Menus and Error Messages 10-31
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