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GX15
MAIN PWB-A (5/5)
RECEPTION SIGNAL
TRANSMISSION SIGNAL
A
PA
G
5-5 (1-E)
BATT
G
5-7 (3-C)
TCXOEN
G
VRF
5-5 (1-D)
1
CE1
VOUT1
6
2
5
VDD
GND
B
C801
3
CE2
4
VOUT2
1
VBAT
G
5-7 (2-D)
IC804
R5322P
VOLTAGE
REGULATOR
VTCXO
C
G
IP
G
IN
5-5 (2-E)
G
QP
G
QN
D
TCXOOUT
G
5-5 (2-H)
SYNTHEN
G
E
G
5-5 (2-D)
SYNTHCLK
G
SYNTHDATA
G
5-9 (1-F)
BTCLK
C835
0.1
G
5-5 (2-E)
AFCDAC
R804
0
F
BS1
BS2
BS3
BS4
TX
HIGH
LOW
HIGH
HIGH
G
GSM
900
RX
HIGH
LOW
LOW
LOW
TX
LOW
HIGH
LOW
HIGH
DCS
1800
RX
HIGH
LOW
LOW
LOW
TX
LOW
HIGH
LOW
HIGH
PCS
1900
RX
LOW
LOW
LOW
LOW
G
BS1
G
BS2
5-5 (2-D)
G
BS3
G
BS4
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
2
BATT
C806
C807
2.2
0.01
R810
1
C802
C803
2.2
0.01
R811
1
C812
C811
22P
22P
(CH)
(CH)
24
23
22
21
20
19
18
17
16
15
14
13
C832
C830
270P(CH)
1
25
QOUT/QIN
PLLOUT
QOUTB/QINB
GSMGND
26
C831
R802
VCCIFSYN
GSMLNAIB
0.0022
4.7K
27
CPIFSYN
GSMLNAI
28
29
LE
DCSGSMGND
30
CLK
DCSLNAIB
C833
IC801
31
VCXOOUT
DCSLNAI
27P(CH)
15515502
32
SDATA
PCSDCSGND
5
R801
RF
NC
33
GNDVCXO
PCSLNAIB
1.8K
34
VCXOE
PCSLNAI
VCXOB
PCSGND
35
VCCVCXO
VCCLNA
36
1
Vcont
GND
2
4
Vcc OUTPUT
3
C836
TCX801
100P(CH)
26MHz
37 38 39 40 41 42 43 44 45 46 47 48 49
VCTCXO
C837
0.1
C840
330P
R805
6.8K
C841
0.0033
R806
6.8K
3
4
5
5 - - 9
CONFIDENTIAL
FL823
FERRITE
BEADS
C867
C860
47P(CH)
33/6.3V
TXOUT_DCS/PCS
C1863
100P
4
C1862
(CH)
0.001
R1863
100K
R1861
R1860
0
47K
C1865
R1862
82P
100K
(CH)
TXOUT_GSM
12
FL902
L891
C892
C855
SAW
11
47P
6.8nH
1P(CH)
FILTER
5
10
(CH)
GND
RX_GSM900
Out1
9
6
IN
4
GSM900
L892
R803
8
7
Out2
GND
3
6.8nH
0
RX_DCS
7
8
Out1
GND
2
Out2
DCS
IN
6
9
1
GND
R804A
R805A
C856
5
0
10
0
22P
4
(CH)
3
1
R806A
FL903
2
3
2
0
SAW FILTER
1
RX_PCS
1
C845
C857
0.1
4
5
22P
(CH)
(
) : Not Mount
6
7
Figure 5 SCHEMATIC DIAGRAM (5/6)
NC
DCS/PCSIN
NC
NC
VCC1DCS/PCS
NC
C1822
BANDSEL
VCC3DCS/PCS
0.01
TXENABLE
VCCOUT
VBATT
IC802
VCCOUT
C1866
RF3416
VCC3GSM
VBATT
100P
NC
POWER AMP.
NC
NC
C1823
NC
(CH)
100P
NC
VRAMP
NC
(CH)
NC
NC
VCC1GSM
NC
NC
GND1GSM
NC
GSM850/
NC
NC
GSM900IN
C1824
L1873
0.001
C1876
1.2nH
1.8P
L1871
3.3nH
L1872
1.8nH
C1875
3P(CH)
FL803
RF SWITCH
16
3
GND
NC
GSM850_RX
GSM850/900-TX
C872
47P
GSM900_RX
Vc850RX
(CH)
GND
GSM1800/1900-TX
C873
GSM1800_RX
VcGSMTx
0.001
6
5
4
J801
GSM1900_RX
VDD
BS2
FL905
RF CONNECTOR
BS1
Vc2
Vc1
GND
ANT
1
2
3
1
C870
C881
GND
47P
47P
C871
(CH)
8
47P
(CH)
2
(CH)
ESD
DEVICE
ANT801
AERIAL
TERMINAL
Waveform numbers of
8
9
10
5 -- 10
GX15
PowerAmp
BS2
BS4
GSM
LOW
HIGH
DCS
HIGH
HIGH
PCS
HIGH
HIGH
RF-Switch
BS1
BS2
BS3
TX
HIGH
LOW
HIGH
GSM
RX
HIGH
LOW
LOW
TX
LOW
HIGH
LOW
DCS
RX
HIGH
LOW
LOW
LOW
HIGH
TX
LOW
PCS
RX
LOW
LOW
LOW
C884
R831
L832
1.2P
0
5.6nH
2
L833
22nH
3
4
R834
C883
C886
0
1.2P
1P
BUILT-IN AERIAL
PWB-D
A
5-4 (6-E)
1
to
5
are shown on pages 5-2, 5-3.
11
12
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