HP 8924E, Assembly

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501
Chapter 11, Block Diagrams
Assembly Details
N:\mkt\MANUALS\HP8924C\ALR\blkdia.fb
A30
R
E
CEIVER
t
F
rom Fro
m
F
ilte
r/
SSB
D
em
o
d
u
lat
o
r
AM
Dem
o
d
u
la
to
r
FM
D
emo
du
la
to
r
Sq
u
elch
NO
T
E
1-
Receiver Mix
er Sw
it
ch
Co
n
tro
l is DC
V
o
lt
ag
e Carried
o
n
J35-
3 L
in
e
T
o
A
udio
To
To LO\
IF
F
rom
S
que
lch
Po
t
(
F
P)
J3
5
J3
5
J3
7
J3
7
J3
6
J3
6
3
J3
7
J3
7
J3
6
13
J3
6
J3
6
J3
6
J3
6
J3
6
RC
V
R
_
IN
12 d
B
2 d
B
7
00
MH
z
1
2
a
a
b
b
4 dB
6 dB
0 dB
11
4.
3
MH
z
114
.3
MH
z
43
0
MH
z
S
A
_11
4.
3M
NO
TE
1
R
C
V
R
_5
00
MRE
F
Re
ce
iv
er
M
ix
e
r
Sw
itch
C
ont
ro
l
IF
S
el
e
ct
5
00 MH
z
12
5 MH
z
10
.7
M
H
z I
F
10
.7
MHz
IF
M
ix
e
r
IF_
C
N
T
SQ
C
H
_
P
O
T
DE
M
O
D_
A
U
D
RC
V
R
_E
/I
D
A
T
_R
C
VR
_
R
EF
C
LK_
R
C
V
R
_
R
EF
Co
nt
ro
l
Se
ria
l
I
/O
Co
nt
ro
l
SQC H_D ET
IF_D ET
b
c
d
5
AM
1 MH
Z
A
M
De
te
ct
or
t
t
a
6
+9
V
+9
V
+5
V
-9
V
A
LC
F
e
ed
ba
ck
+5
V
+1
2V
-12V
Reg/
F
ilt
er
Filt
er
R
eg/
F
ilt
er
10
.7
M
H
z
IF
1
0.7
M
H
z
IF
20
0
kH
z BW
Lo
op
F
ilt
er
A
LC Re
f -
6.2
V
26
d
B
IN
V
E
R
TE
D
FM
No
is
e
Am
p
No
is
e
Re
ct
ifier
t
FM
3 MH
z
De
m
od
ul
at
or
70
0 k
H
z IF
Mixe
r
300
kH
z
PL
L
VC
O
10
M
H
z
R
C
VR
_
1
0MR
EF
1
5
kH
z BW
10
.7
M
H
z
10
.7
M
H
z
28
0 k
H
z
40
0 MH
z
AL
C
M
odu
la
to
r
3
4
a
a
b
b
a
4
114
.3
MH
z
114
.3
MH
z
t
t
t
3
17
2 4 3
9 5 8
6
1
7
De
mo
d
(A3
1)
As
se
mb
ly
(A3
7)
Me
asu
re
men
t
Ana
lyz
er 1
(A
35)
T
o/Fr
om
Se
ria
l I/O
(A
14
)
R
egu
lat
o
r
(A
20
)
F
rom
Re
fe
re
nc
e
(A
27
)
Mix
er
(A1
9)
Re
cei
ver
(A30-BD.FB)
SSB
De
m
od
BW