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1
2
ANT500
ANT501
C580
NA
R550 0
A
C582
NA
SW500
KMS-507
C508
22p
FL500
8
ANT
4
GND1
6
5
GND2
EGSM_TX
7
3
GND3
DCS_TX
B
9
GND4
12
GND5
13
10
GND6
EGSM_RX
14
1
GND7
DCS_RX
11
2
SHS-C090DR
C
L507
33nH
C531
10p
L508
33nH
D
C537
3.3p
ANT_SW1
GSM_TX
H
L
DCS_TX
RX
L
E
1
2
LGIC(42)-A-5505-10:01
3
4
C581
C504
C505
12p
18p
0.01u
Connect to main GND directly thorugh Via
C541
50 Ohm
33p
RSVD
15
C511
C512
SKY77325
0.5p
NA
GSM_OUT
U501
12
C514
50 Ohm
DCS_PCS_OUT
17
22p
C517
L502
NA
NA
C513
1p
2
3
C510
G1
O1
1
IN
FL401
EFCH942MTCA7
G2
O2
27p
5
4
C518
1p
C521
1p
2
3
G1
O1
1
IN
FL402
EFCH1842TCA7
G2
O2
5
4
C522
1p
GPO_11
ANT_SW2
RF2.85V
ANT_SW1
GPO_9
C536
C535
4.7u
22n
(1608)
ANT_SW2
L
H
L
-
3
4
5
6
7
VBAT
C502
C507
22u
33p
C501
27p
C509
27p
BS
4
PAC_ENABLE
2
R503
GSM_IN
6
36
R504
R505
DCS_PCS_IN
150
150
5
R506
30
R507
R508
180
180
C503
C506
0.01u
0.01u
TX_RAMP
R509 1K
L501
27nH
L503
6.8nH
RF_LDO
VBAT
U503
5
1
OUT
IN
2
GND
4
3
BYP
EN
CLKON
C529
MIC5255-2.85BM5
4.7u
(1608)
Approved
Iss.
Notice No.
Date
Name
5
8
9
R501
100
GPO_17
PA_BAND
R502
100
GPO_16
PA_EN
RF2.85V
RF2.85V
C532
C525
100p
22n
C516
1000p
C526
C519
21
RFIGN
20
RFIGP
19
1
RFIDN
RXQN
18
2
RFIDP
U502
RXIP
17
3
RFIPN
SI4205
RXIN
16
4
RFIPP
TXIP
15
5
GND1
TXIN
36
6
GND8
TXQP
35
7
GND7
TXQN
34
GND6
33
GND5
RF2.85V
C527
C530
22n
22p
2V75_VVCXO
C528
X500
R510
3
OUT
VCONT
100
100p
4
VCC
GND
C539
26MHz
2.2u
RF_PWR_DWN
S_EN
S_CLK
S_DATA
Section
Date
Sign & Name
MODEL
Designer
05/09/09
Li Cheng Dong
Checked
Li Cheng Dong
05/09/09
DRAWING
NAME
Li Cheng Dong
05/09/09
DRAWING
LG Electronics Inc.
NO.
10
A
26MHz
B
QP
39p
QN
IP
39p
IN
C
R515
1
AFC
10K
2
C540
0.1u
D
RF_PWR_DWN
GPO4
S_EN
GPO19
S_CLK
GPO21
S_DATA
GPO20
Sheet/Sheets
G282
3/5
RF
Ver 1.0
LG Electronics Inc.
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