HP 8753D Option 011

No de
29 FN
VCO
Tun
(A14 FN
VCO
tuning v
oltage)
Perform
step A14,
abo
ve,
and
then
press
4
MEAS
5
NN
NN
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
NN
NN
ANALOG IN
4
29
54
x1
54
SCALE REF
5
NN
NN
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
NN
NN
AUTOSCALE .
Observ
e the
A14 FN
VCO
tuning v
oltage. If
the A13
and A14
assem
blies
are
functioning
correctly and
the V
CO is
phase
lo
c
k
ed,
the
trace
should
lo
ok
lik
eFigure
10-15.
Any
other
w
a
v
eform
indicates
that
the
FN
V
CO
is
not
phase lo
ck
ed. The
v
ertical
lines
in
the
trace
indicate
the
band
crossings. (The
counter
can also
be
enabled
to
coun
t
the
V
CO
frequency
in
CW mo
de.)
Figure
NODE29
here.
Figure
10-15.
Analog
Bus
Node
29
10-36 Service Key Menus and Error Messages DRAFT
3/21/106 15:14
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