– 10–2 –
U1.K14
U1.K13
U8.D10
U1.A13
U8.D9
U1.E13
U1.H11
U1.J14
U8.J4
U8.F9
U1.A13
U8.F10
U1.K12
U1.M14
U1.L13
U1.J10
U8.K4
U1.A12
U8.E10
U8.E9
U8.C9
U8.C10
U1.H14
B4230 E-
GSM/DCS EPC
OS
VRF
VTIC
VTCXO
VTIC
VTCXO
VRF
VSYN
VSYN
VTIC
RFEN
VRF
VRF
VRF
VSYN
VRF
VTCXO
VRF
VRF
RFEN
TRENA
1
TXIP
1
RXQP
2
PCSENA
1
RXIP
2
RXIN
2
TXIN
1
RF_DAT
2
RF_LE
2
PAENA
1
TXENA
1
RXENA
1
SXENA
2
RF_CLK
2
RXQN
2
AFC
2
TXQN
1
13MHz
2
TXQP
1
ANTENNA
1
TCXOEN
1
APC
1
VBAT
VBAT
VBAT
VBAT
L120
0 0402
CX74017
Triband GSM Transciever
RF135
U100
CX74017
17
18
1
19
2
3
6
5
4
20
7
8
9
10
11
12
13
14
15
16
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
NC
FILTN
TxDCS PCS
FILTP
TxVCOTune
RxEN
PCO2
PCO1
TxEN
TxIP
TxCP VCO
VCC1
TxCPO
TxINP
LNA GSM IN
GND LNA GSM
LNA DCS IN
FE ENA
LNA PCS IN
NC
TxIN
TxQP
TxQN
TxFP
TxFN
VCC2
Cap
IP
Cap
IN
Cap
Q
P
Cap
Q
N
LPF ADJ
T_
H
NC
NC
GNDD
VCCD
VCCF
FREF
GNDFN
GNDCP
UHF CPO
VCC FN CP
SX ENA
LD MUX
DATA
CLK
LE
VDDBB
UHF BYP
UHF Tune
VCC UHF
VCC3
LOP
LON
RxQN
RxQP
RxIN
RxIP
VCC4
VCC Tx VCO
NC
NC
NC
TxGSM
R100
0
R106
0
C150
100pF
0402
C203
4.7pf
0402
R124
2.4K
0402
U107
RN2905FE
EMT6
1
2
3
4
5
6
U103
TAR8D05K
8
4
1
3
6
7
5
2
Vout A
GND
BP A
Cont A
Vout B
Vin
Cont B
BP B
C183
100nF
20%
X7R
50V
0402
C220
100nF
0402
C214
NM
0402
C213
NM
0402
C121
33
0402
R150
51
0402
TP302
R180
0
0402
TP301
R181
0
0402
C202
2.7pf
0402
C132 10nH 0402
TP202
R190
0
0402
TP204
TP203
TP201
U111
LMZ0139
1
2
3
4
5
6
7
8
9
10
11
12
DCS-RX
VC_PCS-RX
PCS-RX
VC_GSM-TX
GSM-RX
GND
ANT
VC_D/P-TX
DCS/PCS-TX
GND
GSM-TX
GND
C152
22pF
0402
L103
NM
0402
C157
22pF
0402
R132
3.3k
0402
L115
100nH
0402
L100
15nH
0402
C200
22pf
0402
L111
15nH
Default
C120
100pF
0402
R111
2k
0402
C129
1nF
0402
R109
5.6K
0402
C123
220pF
0402
R112
510
0402
C130
100
p
F
C115
100nF
0402
C122
680pF
0402
C126
8.2nF
0805
C137
100nF
0402
R128
3.3k
0402
3.9nF
C127
0805
U106
KT18
1
2
3
4
AFC
GND
OUT
VCC
C148
100pF
X7R
0402
R122
10
0402
U108
TC7SZU04AFE
EMT5
1
2
3
5
4
NC
IN
GND
VCC
OUT
C160
1nF
X7R
0402
C125
39pF
0402
R110
220
0402
C159
1nF
0402
C149
3.3nF
0402
R131
1M
0402
C155
100pF
0402
R125
18
0402
C124
39pF
0402
C106
680pF
0402
C154
100pF
0402
C112
10uF
20%
Tant
6.3V
P-CASE
C113
100pF
0402
C119
2.7pF
0402
R133
3.3k
0402
C166
DNI
L101
0
0402
C162
22pF
0402
C163
0.5pF
0402
R103
1k
0402
C128
NM
0402
C165
100nF
C142
NM
0402
C135
4.7pF
0402
JP1
2
1
3
4
ANT
RF
GND GND
R130
NM
C164
NM
0402
L121
NM
0402
C144
4.7pF
0402
R121
200
0402
R120
200
0402
L114
2.7nH
0402
L104
NM
3.3nH 0402
C140
10pF
0402
R201
2*6.8K 0404
1
3
2
4
S1
S1
S2
S2
C146
470pF
0402
C145
470pF
0402
C110
10uF
20%
Tant
6.3V
P-CASE
R200
2*6.8K
0404
1
3
2
4
S1
S1
S2
S2
C143
2.7pF
0402
C141
NM
0402
C136
1nF
0402
C179
100uF
B-CASE
C118
100nF
0402
R127
2.4K
0402
C198
18pF
0402
C147
10nF
0402
C104
470nF
20%
X7R
50V
0402
C117
100nF
20%
X7R
50V
0402
R126
39K
0402
C169
1pF
0402
R118
0
0402
C138
18pF
0402
R117
0
C196
10nF
0402
R202
180
0402
C197
22pF
0402
R204
180
0402
TP103
TP102
L106
82nH
0402
C100
22pF
0402
TP101
L110
8.2nH
0402
R143
3.3k
0402
C201
1pf
0402
R129
10
0402
R141
0
0402
R142
0
0402
F101
1
2
3
4
5
6
7
8
GS
M
G
DCS
G
DCS
G
GS
M
G
C189
100nF
0402
C116
100nF
20%
X7R
50V
0402
C182
100nF
20%
X7R
50V
0402
U102
TAR8D05K
8
4
1
3
6
7
5
2
Vout AVout B
GND
BP A
Cont ACont B
Vin
BP B
C103
470nF
20%
X7R
50V
0402
C111
10uF
20%
Tant
6.3V
P-CASE
C108
10uF
20%
Tant
6.3V
P-CASE
L166
180nH
0603
C175
18pF
0402
C158
10pF
0402
C161
33pF
0402
C151
0
0402
L107
0
0402
C190
NM
0402
C191
NM
0402
U110
RN2902FE
EMT6
1
2
3
4
5
6
C174
NM
L109
4.7nH
0402
R113
0
0402
L108
3.3nH
0402
R119
0
0402
U104
RF3140
2
3
5
4
9
11
12
1
6
7
8
10
BAND SELECT
TX ENA
VREG
VBAT
GSMOUT
DCSOUT
VCCD
DCS/PCS IN
VRAMP
GSM IN
VCCG
VCC OUT
C181
NM
0402
C180
NM
0402
10.2. Circuit Diagram of RF Band