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4-2
STH-N375 Block diagrams
2. Radio Part Block Diagram
RS
S
I
AGC
OUT
MO
D
D
520
4-22
/
D5
20
5
(U101
/
U2
03
)
PR
E
A
M
P
_G
AF
C
Rx
I
/Q
3
wir
e
B
us
DE
M
O
Gain
C
ont.
R
SSI
PL
L2
x9
PL
L1
BP
F
130.05
1/
32
BP
F
450k
LC
LC
BP
F
450k
LC
D
836MH
IL
=
3.0T
yp
3
.6
M
ax
SL
C-
S090S-A(
F
304)
IL
=0.25T
yp,
0.
5M
ax
C
P
L
=
15.5dB
Rx
869-
894 Tx
824-
849
D
F
Y0836H0881F
(F
303)
T
x
I
L
=2.6T
yp,
2
.8M
ax
A
tt.
at
T
x
=
56M
in,
58T
yp
IS
O
at
T
x
=
60M
in
R
x
I
L
=3.3T
yp,
4
.0M
ax
A
tt.
at
R
x
=
50M
in,
52T
yp
IS
O
at
R
x
=
53M
in
Im
age
re
jection
at
F
tx
-
45M
Hz
=
8M
in
LN
A
BP
F
824-
849
BP
F
869-
894
D
881L
H(
F
302)
IL=
3
.0
T
y
p
3
.5
M
ax
M
at
su
shit
a
:
ENF
VZ
4J39(OSC301)
Fr
eq.
ra
nge:
998~1025M
Hz,
2059~2121M
H
z
Vcont
:
0
.4
~
2.
2
PN
:
-114dBc@45kHz
(C
ell)
-102dBc@45kHz
(
PC
S)
Z
L
:
50
ohm
Pout
:
-3
+/-
3dB
m
(i
n
both
band)
C
u
rr
ent
cons
umption
:
8m
A
Mats
u
sh
it
a:
EN
F
VZ
5J41(
OSC303)
Fr
eq.
ra
nge:
170.
05M
Hz,
210.
09M
Hz
Vcont
:
0
.4
~
2.
2,
Switch
oper
at
io
n
PN
:
-102dB
c@60kHz
(C
ell)
-
102dB
c@60kHz
(P
C
S
)
Har
monics
:
-
10dB
c
max
Pout
:
-3
+/-
3dB
m
(i
n
both
band)
C
u
rr
ent
cons
umption
: 5m
A
RF
MD:
R
F
2162(
U302)
L
inear
G
ai
n
=
30T
yp,
28M
in
Po
(A
M
P
S
)
=
31.5T
yp,
30M
in
Po
(T
DM
A)
=
30T
yp,
29M
in
PAE
=
50(
analog)
,
35(
digital)
AC
PR
@30kHz
=
29T
yp,
28M
in
@60kHz
=
49T
yp,
48M
in
@90kHz
=
56T
yp,
55M
in
Nois
e
P
WR
=
-
90dB
m(
30kH
z
B
W
)
2nd
Harmoni
c
=
-30T
yp,
-
29M
in
3r
d
H
ar
m
onic
=
-40T
yp,
-
39M
in
Id
le
cur
rent
(mA)
=
135T
yp,
200M
ax
T
OKO:
S
F
130JS-
002(
F
301)
IL
=
3
.4T
yp,
4
.5M
ax
GD
(u
s)
=
1
.5T
yp,
8
M
ax
IS
O
at
60k
=
22T
yp,
12M
in
IS
O
at
120k
=
45T
yp,
35M
in
IS
O
at
240k
=
55T
yp,
50M
in
IS
O
at
480k
=
55T
yp,
50M
in
IS
O
at
Image
900k
=
75T
yp,
6
6
M
in
Z
L
=
500ohm//-
2.1pF
CF
UXC450B100H(
F
300)
IL
=
4
.5T
yp,
6
.0M
ax
GD
(u
s)
=
5T
yp,
15M
ax
Z
in/out
=
2k
VC
-
TC
X
O
14.4M
Hz
T
oyoc
om
:
T
C
O-
9133(
OSC302)
C
u
rr
ent
dr
ain
=
1.5mA
M
ax
Output
leve
l
=
0.8Vpp
min
L
o
ad
=
10kOhm//10pF
PN(
dB
c)
=
-
130@100Hz,
-
152@45kHz
129.6M
Hz
999.09~1024.
02M
Hz
2060.1~2120.
04M
Hz
450kH
z
BP
F
824-
849
RF
2376(
U
305)
G(
dB
)
=
24<27<30@
836M
Hz
C
u
rr
ent(
m
A
)
=
30T
yp
AC
P
L
eakage(
dBc)
=
-33@8dB
m
P
out,
30kHz
o
ff
se
t
-61@8dB
m
P
out,
60kHz
o
ff
se
t
NF
(d
B)
=
7
M
ax
Quad
Tx
I
/Q
DC
re
f
u
P
C
801
5
(U
304)
RF
MD:
RF
2363
G
(d
B)
=
1
8
T
y
p
NF(
dB
)
=
1.3T
yp,
1
.6M
ax
I
IP
3(
dB
m)
=
5
T
y
p
Step
AGC
=
26M
in,
38M
ax
C
ur
re
nt(mA)
=
5
T
y
p
Mixer1
(N
EC:
u
P
C
8015)
G
(d
B
)
=
5
M
in,
6.8T
yp,
9M
ax
NF(
dB
,
DSB)
=
12T
yp,
14M
ax
I
IP
3(
dB
m)
=
7
.8T
yp,
5
.5M
in
C
ur
rent(
mA)
=
17.6T
yp
Mixer2
(N
EC:
u
P
C8015)
G
(d
B
)
=
13.5M
in,
15.5T
yp,
18M
ax
NF(
dB
,
DSB
)
=
11.2T
yp,
13M
ax
I
IP3(
dB
m)
=
-
19.3T
yp,
-
21M
in
Cu
rr
en
t(m
A
)
=
3
T
y
p
AGC+
I/Q
De
m
od
(N
EC:
u
P
C8015)
VG(
dB
)
=
75M
in,
80T
yp,
85M
ax
N
F
(dB
,
D
S
B
)
=
10T
yp,
13M
ax
I
IP3(
dB
m)
=
-
85T
yp,
-
92M
in
AGC
R
ange
=
77M
in,
84T
yp
C
urr
ent(mA)
=
3T
yp
L
im
it
er
Dis
crim
inat
or
(NEC:
u
P
C8015)
Sens
a
t
12dB
S
INAD
(U
si
ng
dis
cr
ete
450kH
z
B
P
F)
=
7
5
M
in
,8
0
T
y
p
,8
5
M
ax
I
IP
3(
dB
m)
=
-
68.5T
yp,
-
70M
in
F
ilter
r
ejection
at
60kHz
=
10T
yp,
7
M
in
F
ilter
r
ejection
at
120kHz
=
15T
yp,
10M
in
F
ilter
r
ejection
at
330kHz
=
25T
yp,
20M
in
F
ilter
r
ejection
at
660kHz
=
35T
yp,
30M
in
C
ur
rent(
mA)
=
2
.8T
yp
RF
Out
(
NEC:
u
P
C8015)
)
Po
=
-10T
yp,
-
12M
in
AC
P
R
@30kHz
=
32T
yp,
30M
in
@60kHz
=
60T
yp,
58M
in
@90kHz
=
60T
yp,
58M
in
Nois
e
in
R
x
band@30kHz
=
-95dB
mT
yp,
-93M
in
Spur
ious
s
uppr
es
si
on@10dB
mOut
L
O
=
55dB
cT
yp,
54M
in
Im
ag
e
=
8
d
B
cT
y
p
,7
M
in
FL
O
-FI
F
=
47T
yp.45M
in
G
C
A
Am
p(
NEC:
u
P
C
8015)
Cell
B
and
Dynamic
R
ange
(
dB
)
=
6
0
M
in
,6
5
T
y
p
,7
0
M
ax
Gain
Sl
ope
(
dB/V)
=
3
8
M
in
,4
8
T
y
p
,5
5
M
ax
P
C
S
B
and
Dynamic
R
ange
(
dB
)
=
6
0
M
in
,6
5
T
y
p
,7
0
M
ax
Gain
Sl
ope
(
dB/V)
=
3
8
M
in
,4
8
T
y
p
,5
5
M
ax
D
836MH(
F
305)
IL
=
3.0T
yp
3
.6
M
ax
D836MH(
F
306)
IL
=
3.0T
yp
3
.6
M
ax