7-6
Schematic Diagram
7.3 RF Top Schematic
7.3.1 RF PAM
47k
10k
47k
10k
47k
10k
47k
10k
VC1
DCS_TX
H
L
L
GSM,DCS_RX
H
L
VC2
L
GSM_TX
150p
C126
2.7N
L110
RF2V85
C125
180pF
10K
R112
C117
10n
5.6N
L100
C103
33p
NC
C130
C109 22p
C108
27p
RF2V85
R119 10K
R106 12
R103 11K
5.6p
C121
RF2V85
C113 22p
DTC114YE
Q101
GND
IN
OUT
47p
C106
430
R104
R101
56
2
11
VC2
47p
C114
U110
LMG002S-5047A
8
ANT
1
DCS_RX
DCS_TX
3
G1
4
G2
6
G3
7
G4
9
12
G5
GSM_RX
10
GSM_TX
5
VC1
10K
R113
C104
47p
R105 430
NC
C105
ANT_BW
ANT1
L103
18n
3.9p
C120
C123
10nF
3
4
G2
1
IN
OUT
2
C118
NC
C122
2.7p
ANT101
G1
(1608)
2.2u
C100
U108 UMD9N
1
2
34
5
6
10n
C102
Vccout
47p
C112
28
G2
27
G3
22
G4
21
16
G5
26
G6
G7
20
17
G8
13
G9
GSM_IN
7
9
GSM_OUT
GVCC
8
3
TX_EN
4
VBATT
VRAMP
6
5
VREG
10
U101
RF3110
BAND
2
1
DCS_IN
DCS_OUT
11
DVCC
12
23
G1
14
G10
18
G11
G12
25
G13
24
19
G14
G15
15
G16
C107
NC
UMD9N
U105
1
2
3
4
5
6
VBAT
RF2V85
C101
220u/6.3V
RX_900
GSM_OUT
BSW
DCS_OUT
PA_ON
PA_LEVEL
RX_1800
Содержание GSM ST11
Страница 1: ...GSM PHONE SERVICE MANUAL MODEL ST11 ...
Страница 2: ...Rev 1 00 ...
Страница 6: ...1 2 Introduction Memo ...
Страница 15: ...3 4 Exploded View and Parts List 3 4 1 Exploded View 3 5 ...
Страница 41: ...Troubleshooting Memo 5 20 ...
Страница 42: ...6 Block Diagram 6 1 BB Block Diagram 6 1 ...
Страница 43: ...6 2 Block Diagram 6 2 RF Block Diagram ...
Страница 51: ...7 8 Schematic Diagram Memo ...
Страница 52: ...8 PCB Diagram 8 1 Main PCB 8 1 Top View ...
Страница 53: ...8 2 PCB Diagram Bottom View ...
Страница 60: ...9 7 Electrical Parts List Memo ...