25:
[A3]
DC
CONTROL
This
node
is
located
on
the
A3/A13
source
and
detects
the
output
voltage
of
the
DC
CONTROL
supplied
to
the
A60
source
LPF
.
The
typical
trace
is
at,
and
the
value
is
proportional
to
the
specied
DC
CONTROL
voltage
when
the
DC
CONTROL
voltage
is
output.
26
through
29:
Not
Assigned
These
nodes
are
not
assigned.
30:
[A5]
V
CO
VTUNE
This
node
is
located
on
the
A5
second
PLL
and
detects
the
tuning
voltage
of
the
second
PLL.
31:
[A5]
2ND
IF
DC
OFFSET
This
node
is
located
on
the
A5
second
PLL
and
detects
the
voltage
of
the
second
IF
DC
oset.
The
typical
trace
is
at
at
0
U
60.12
U
.
32
through
39:
Not
Assigned
These
nodes
are
not
assigned.
40:
[A6]
AD
VREF
This
node
is
located
on
the
A6
spectrum
analyzer
and
detects
the
reference
voltage
of
the
A-D
converter
.
The
typical
trace
is
at
at
approximately
+200
mU
(610%).
41:
[A6]
REF
LOOP
VTUNE
This
node
is
located
on
the
A6
spectrum
analyzer
and
detects
the
tuning
voltage
of
the
reference
oscillator
.
The
typical
trace
is
at
at
approximately
+1.1
U
(610%).
42:
[A6]
FIXED
PLL
VTUNE
This
node
is
located
on
the
A6
spectrum
analyzer
and
detects
the
tuning
voltage
of
the
4th
local
oscillator
(xed
PLL).
The
typical
trace
is
at
at
approximately
+1.0
U
(650%).
43:
[A6]
FN
LOOP
VTUNE
This
node
is
located
on
the
A6
spectrum
analyzer
and
detects
the
tuning
voltage
of
the
fractional
N
PLL.
44:
[A6]
PEAK
DETECTOR
This
node
is
located
on
the
A6
spectrum
analyzer
and
detects
the
input
of
the
spectrum
analysis
function.
45:
[A6]
GND
This
node
is
located
on
the
A6
spectrum
analyzer
.
T
o
observe
this
node
,
perform
the
steps
in
the
Bus
Measurement
Procedure
.
When
this
node
is
selected,
the
trace
is
typically
at
and
within
62.5
mU
.
46
through
49:
Not
Assigned
These
nodes
are
not
assigned.
Service
K
ey
Menus
9-17
Summary of Contents for 4352B
Page 11: ......
Page 31: ......
Page 73: ......
Page 80: ...Figure 3 4 List Box Menu Adjustments and Correction Constants 3 7 ...
Page 82: ...Figure 3 6 Reference Frequency Adjustment Location Adjustments and Correction Constants 3 9 ...
Page 85: ...Figure 3 9 Third IF AMP GAIN Adjustment Location 3 12 Adjustments and Correction Constants ...
Page 103: ...Figure 4 1 Troubleshooting Organization 4 2 Overall T roubleshooting ...
Page 113: ......
Page 130: ...Figure 5 11 Power Supply Block Diagram 1 Power Supply T roubleshooting 5 17 ...
Page 131: ...Figure 5 12 Power Supply Block Diagram 2 5 18 Power Supply T roubleshooting ...
Page 132: ...Figure 5 13 Power Supply Block Diagram 3 Power Supply T roubleshooting 5 19 ...
Page 133: ......
Page 135: ...Figure 6 1 Digital Control Group Simpli ed Block Diagram 6 2 Digital Control T roubleshooting ...
Page 146: ...Figure 7 2 Source Group Troubleshooting Flow Source Group T roubleshooting 7 3 ...
Page 154: ...Figure 8 2 Receiver Group Troubleshooting Flow Receiver Group T roubleshooting 8 3 ...
Page 198: ...Figure 10 1 Power Supply Functional Group Simpli ed Block Diagram Theory of Operation 10 3 ...
Page 203: ...Figure 10 3 Digital Control Group Simpli ed Block Diagram 10 8 Theory of Operation ...
Page 269: ......
Page 272: ...Figure B 1 Power Cable Supplied Power Requirement B 3 ...
Page 273: ......