49
SCHEMATIC DIAGRAM /
原理图
TK-2207
R337
100
R345
100
R339
470
C344
220p
R334
47k
C342
10u6.3
R335
2.2k
2SA1362(GR)
Q304
C339
10u6.3
C336
0.47u
R340
1.8k
J301
C334
0.1u
R346
100
L301
C341
0.047u
C338
100p
R349
33k
C335
220p
R342
10
R344
1k
L302
R336
1k
C340
0.1u
C345
100u6.3
R350
0
C343
0.047u
R348
56k
R343
470k
IC302
TA7368F
1
1
2
VCC
3
3
4
VIN
5
RIPPLE
6
7
8
9
10
Q305
DTC144EE
MIC301
R347
100k
CPH3413
Q306
R341
10k
Q303
DTC144EE
C346
1000p
C348
470p
C144
82p
C155
18p
L119
6T
L108
C157
15p
C149
22p
C132
1000p
C150
22p
L110
56n
C142
15p
L109
2.2u
C159
7p
C143
10p
L112
9T
C130
10p
C141
22p
C134
0.1u
C153
10p
L116
8T
L113
3T
C139
68p
C137
0.01u
L117
7T
D105
HVC131
D106
HVC131
C151
1000p
L114
5T
R137
270
L115
3T
C158
22p
D103
HVC131
L111
1u
D104
HVC131
C135
1u
C156
12p
C154
10p
L118
7T
C147
1000p
C136
27p
C160
33p
R136
270
L209
56n
D206
1SV305
R229
1.0M
R220
560
L206
180n
C248
27p
R228
1.0M
D203
1SV305
L210
C249
1000p
R240
0
L211
56n
R223
82k
C269
33p
C253
4.5p
(B)
R233
220
C250
4p
(B)
C241
1000p
R242
1.0M
L204
0.56u
R241
1.0M
C254
27p
C264
4p
C260
1000p
R239
47
R221
1k
C232
0.01u
C263
10p
C242
0.1u
R225
82k
L213
56n
C252
1000p
R234
100k
C247
4p(B)
C245
470p
C271
11p
C268
3p
(B)
C265
33p
C270
4p
C238
12p
C267
3p
(B)
C236
1000p
D205
1SV305
R231
47
R237
180k
L214
47n
C255
4.5p
(B)
L207
150n
C244
4p(B)
R222
220
C251
4.7u6.3
C243
1000p
R238
100k
3SK318
Q204
C234
0.01u
C262
1000p
D204
1SV305
R230
2.2k
C256
1000p
R227
0
C266
1000p
R243
0
R224
82k
BPF
R226
82k
C258
1000p
R291
0
CPH3413
Q316
C280
1000p
CN201
L203
ANT
CN13
ANT SW
DC SW
AF AMP
SP MUTE SW
SP MUTE SW
DC SW/SP MUTE
5R
MIXER
DC SW/SP MUTE
PTTSW
5M
SB
TXD
PCTV
RF AMP
ANT SW
ANT SW
ANT SW
RF BPF TUNING
D203,204
D205,206
RF BPF TUNING
5T
SP2
OPTDET
AF_CONT
RX LO1
PTT/RXD
MIC
MICIN
OPTDET
5MS
AE
TXD
NC
SPO
SPI
3SK318
Q205
NF
PHASE
PRE-GND
PW-GND
PoUT
R:0.99V
R:4.98V
R:2.48V
R:2.48V
R:0.75V
R:4.8V
R:4.92V
R:1.76V
R:7.52V
T:7.31V
R:0.3V(MUTE ON)
7.3V(MUTE OFF)
T:0.3V
R:7.3V(MUTE ON)
0.3V(MUTE OFF)
T:7.3V
T
S
R
Q
P
1
2
3
4
5
6
7
X57-687 4/4
TX-RX UNIT (X57-6870-20)
Note : The components marked with a dot (
●
) are parts of layer1.