Table of Contents
Advertisement
8. CIRCUIT DIAGRAM
1
OUT400
C400
A
C404
SW400
KMS-507
C410
22p
SHS-C090DR
FL400
4
GND1
B
6
GND2
EGSM_TX
7
GND3
DCS_TX
9
GND4
12
GND5
13
GND6
EGSM_RX
14
GND7
DCS_RX
C
D
RF BOARD TEMPERATURE
E
1
LGIC(42)-A-5505-10:01
2
3
4
NA
1p
8
9
C411
C412
1.2p
NA
VCC_OUT
10
DCS_OUT
11
5
VCC2
3
12
10
C416
1
0.5p
C420
1p
3
2
C422
G1
O1
1
IN
FL401
G2
O2
EFCH942MTCA7
27p
5
4
C423
1p
C425
1p
3
2
G1
O1
1
IN
FL402
G2
O2
EFCH1842TCA7
5
4
C428
1p
ANT_SW2
GPO_11
C430
C431
10p
27p
ANT_SW1
ANT_SW2
ANT_SW1
GPO_9
C433
C434
GSM_TX
L
H
3.3p
10p
DCS_TX
H
L
RX
L
L
VRF
VBAT
VRF
MIC5255-2.85BM5
U402
5
1
R418
NA
OUT
IN
2
BOARD_TEMP
GND
C437
0.01u
4
3
R419
0
C436
BYP
EN
10u
C438
10u
2
3
4
5
6
7
R400
VBAT
0
C401
C402
C403
22p
10u
47p
R405
GSM_IN
7
47
VCC1
R406
R407
VRAMP
130
130
6
GSM_OUT
VREG
5
RF3133
VBATT
4
U400
TX_ENABLE
3
BAND_SELECT
2
R411
DCS_IN
1
36
R412
R413
150
150
21
RFIGN
20
RFIGP
19
RFIDN
L402
18
RFIDP
U401
27nH
17
RFIPN
SI4205
16
RFIPP
15
GND1
36
GND8
35
GND7
34
GND6
33
GND5
L403
7.5nH
CLKON
RF_EN
GPO_4
Designer
Approved
Iss.
Notice No.
Date
Name
5
- 86 -
8
9
R401
15K
TX_RAMP
R402
100
PA_EN
R404
100
PA_BAND
C405
C406
C407
2V75_VTCXO
27p
27p
39p
C408
100p
VRF
R408
0
R409
NA
CLKON
R410
NA
C413
1000p
13MHZ
VRF
C417
C418
39p
22n
C419
39p
C421
1
RXQN
39p
2
RXIP
3
RXIN
4
TXIP
5
TXIN
C424
6
TXQP
39p
7
TXQN
VRF
C426
C427
0.022u
22p
C429
100p
2V75_VTCXO
R414
C432
15K
1000p
C435
2.2u
(1608)
TP401
TP402
TP403
TP404
Section
Date
Sign & Name
MODEL
C3100
Checked
DRAWING
NAME
DRAWING
LG Electronics Inc.
NO.
10
A
A
AD6521
GPO_16
GPO_17
B
B
C
AFC
AD6521
PDNB
GPO_18
D
GPO_19
S_CLK
GPO_21
S_DATA
GPO_20
Sheet/Sheets
4/6
RF(AERO1)
VER 1.0
LG Electronics Inc.
Advertisement
Table of Contents
