596
Chapter 14, Diagnostics Descriptions
Description of RF Diagnostics (RFDIAGS3)
N:\mkt\MANUALS\HP8924C\ALR\diagnos.fb
Figure 72
Receiver Tests_Down Converter
A3 0
R
E
C
EIVER ASSEM
BLY
▼
11
4.
3 o
r
61
4.3
MH
z
SS
B
D
emo
d
u
lat
o
r
AM Dem
o
d
u
lat
o
r
FM De
m
o
d
u
la
to
r
Sq
u
elch
12
d
B
2 d
B
7
00
MH
z
2
a
a
b
b
4 d
B
6 dB
0 dB
11
4.3
MH
z
11
4.
3
MH
z
430 MH
z
Re
ce
iv
er
Mi
xe
r
Sw
itc
h
Co
nt
ro
l
IF
S
e
le
ct
50
0 MH
z
125 MH
z
10
.7
M
H
z IF
10
.7
M
H
z
IF M
ix
er
11
4.
3 MH
z IF
Mod
u
le
Se
ria
l
I/O
Co
nt
ro
l
SQC
H_D
ET
IF_D
ET
b
c
d
5
1 M
H
Z
AM
D
e
te
ct
or
▼
▼
a
6
+9
V
+5
V
-9
V
A
LC
F
e
ed
ba
ck
Re
g/
F
ilt
er
10
.7
M
H
z
IF
10
.7
M
H
z
IF
20
0 k
H
z B
W
Loop
F
ilt
er
A
L
C
Re
f -
6.2
V
26
dB
In
ve
rt
ed
F
M
No
is
e
Amp
No
is
e
Re
ct
ifier
▼
FM
3 MHz
De
mo
dul
at
or
70
0 k
H
z
IF
Mi
xer
30
0
k
H
z
SSB
De
m
od
PL
L
VC
O
10
M
H
z
15
kH
z BW
10
.7
M
H
z
10
.7
M
H
z
280 k
H
z
40
0 MH
z
AL
C
Mo
du
lat
or
3
4
a
a
b
b
a
11
4.
3
MH
z
11
4.
3
MH
z
▼
▼
▼
Con
tr
o
l
1
IF Fro
m
A1
9
Re
ce
iv
er
Mi
xer
AM
Re
g/
F
ilt
er
F
ilt
er
LO/
IF/D
E
M
O
D
(A
31
)
BW
4
_ ..
Summary of Contents for 8924E
Page 52: ...Contents 52 N mkt MANUALS HP8924C ALR 8924CE TOC A Error Messages ...
Page 53: ...Contents 53 N mkt MANUALS HP8924C ALR 8924CE TOC Index 633 ...
Page 54: ...Contents 54 N mkt MANUALS HP8924C ALR 8924CE TOC ...
Page 137: ...137 N mkt MANUALS HP8924C ALR per_adj fb 4 Periodic Adjustments ...
Page 449: ...449 N mkt MANUALS HP8924C ALR service fb 10 Service Screen ...
Page 455: ...455 N mkt MANUALS HP8924C ALR blkdia fb 11 Block Diagrams ...
Page 522: ...522 Chapter 11 Block Diagrams Assembly Details N mkt MANUALS HP8924C ALR blkdia fb ...
Page 613: ...613 N mkt MANUALS HP8924C ALR errmssg fb A Error Messages ...