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8. Block Diagrams
8-2
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FEM
PNX52
17
U
A
A
35
82
H
N
/C1
AERO
422
1HN/1
ANT
GSM
PAM
P
C
S_
R
X
M
P
C
S
_R
X
P
D
CS
_RXP
DCS_R
XM
G
S
M
_R
X
M
_9
00
G
S
M
_R
X
P
_8
50
R
FIP
P
RFIPN
R
FID
P
R
FID
N
G
S
M
_R
XP
_9
00
R
FIE
P
G
S
M
_R
X
M
_8
50
RF
IEN
R
FIA
P
RFIAN
G
S
M
85
0_
R
X
1
G
S
M
85
0_
R
X
2
G
S
M
90
0_
R
X
1
G
S
M
90
0_
R
X
2
GSM1
800_RX1
GSM1
800_RX2
GSM1
900_RX1
GSM1
900_RX2
D
U
P
LE
X
E
R
3G
LN
A_
IN
RX
TX
UMTS_
TRX3
W
C
D
M
A
P
AM
RFOUT
VCC
_RX_TX_
2.8V
V
B
A
T
B
B
3G
_G
P
O
_3
V
(0
)
FE
S
W
3
FE
S
W
2
FE
S
W
1
G
P
IO
A
21
VC2
VC3
VC4
G
P
IO
A
22
G
P
IO
A
23
B
B
3G
_G
P
O
0_
3V
VC1
M
O
D
E
_S
E
LE
C
T
R
A
M
P
_P
A
M
P
O
N
_P
A
BA
N
D
_S
E
L
B
A
N
D
_S
E
L
M
O
D
E
TX
E
N
V
B
A
TT
VDD
R
AM
P
R
X
TX
D
A
T_
A
R
X
TX
_E
N
RF
SIG2
R
A
M
P
O
U
T
ANT
GSM_
850_90
0_TX
D
C
S
_P
C
S
_T
X
R
FO
L
R
FO
H
LB_R
FO
U
T
HB_RF
O
UT
LB_RF
IN
H
B_
RFIN
G
S
M
85
0
│
900_TX
GSM1
800
│
19
00_T
X
VC
C_RX_
TX_2.8V
V
C
C
_S
Y
N
_2
.8
V
IRX_T
X
_P
_PDN
PON
_4220
R
FS
IG
7
V
C
TC
X
O
AFC
X
TA
L1
3
C
A
D
X
U
A
P
M
A
R
A
U
X
D
A
C
2
VD
D_IO_LOW_1.8V
RF
_CLK
RF
_DAT
A
RF
_EN
R
FC
M
C
LK
RF
CM_D
ATA
R
FC
M
EN
0
RAMPIN
SCLK
SDIO
_S
E
N
B
IP
IR
X_TX_N
Q
R
X
_T
X_
N
Q
R
X
_T
X
_P
B
IN
B
Q
P
B
Q
N
B
B
2G
_R
E
F_
C
LK
X
O
U
T
B
B
3G
_S
Y
S
C
LK
IP
IN
Q
P
Q
N
D
_REF
_CLK
D
_REF
_CLK
VC
C_RX_
TX_2.8V
LN
A
LN
A
LN
A
LN
A
PG
A
I
A
D
C
Q
A
D
C
DIG
ITA
L F
ILT
ER
P
G
A
PG
A
PG
A
I
AD
C
I
AD
C
LO
W
_IF
V
C
O
+
F
R
E
Q
U
EN
C
Y
SY
N
TH
S
IZ
E
R
BAS
EBA
ND
IN
TER
FAC
E
B
IP
B
IN
B
Q
P
BQ
N
MU
X
GM
SK
/ 8
PSK
I
Q
P
A
C
TR
L
R
AM
PIN
SY
N
TH
SIZ
E
R
8P
S
K
D
V
G
A
D
V
G
A
AV
G
A
A
VG
A
G
M
S
K
O
U
T
V
C
O
N
V
C
C
RF_
DAC2
IT
X_P
LN
A1_IN
LNA1_OUT
MIX1_A
MIX1_B
IN
O
U
T
O
U
T
W
21
00
R
X S
AW
R
F_D
A
C2
V
M
O
D
E
TX
_1
RF_
DATA_3G
RF_C
LK_3G
RF_
EN
_3G
CLK
E
N
DAT
A
RFIN
B
B
3G
_S
P
IE
N
B
B
3G
_S
P
IC
LK
B
B
3G
_S
P
ID
A
TA
IT
X
_N
Q
TX
_P
Q
TX
_N
IRX_P
IRX_N
Q
R
X
_P
Q
R
X
_N
3G
_T
X
R
X
Q
B
R
X
Q
A
R
X
IB
R
X
IA
TX
Q
B
TX
Q
A
TX
IB
TX
IA
B
B
3G
_R
X
Q
N
B
B3
G
_R
X
Q
P
B
B
3G
_R
X
IN
B
B
3G
_R
X
IP
B
B
3G
_T
X
Q
N
B
B
3G
_T
XQ
P
BB3G
_TXIN
B
B
3G
_T
X
IP
V
D
D
_IO
_L
O
W_
1.8
V
VCC_R
X
_2.8V
VC
C_T
X
_2.8V
VDD
V
CCRX
VDDLORX
VCCT
X
V
C
C
LO
TX
R
E
G
R
F F
R
AN
C
’
N
S
YN
TH
S
IZ
ER
CTL
B
US
R
E
G
R
F F
R
AN
C
’
N
S
YN
TH
S
IZE
R
V
B
AT
V
C
C
B
IA
S
VCC1
VCC2
V
C
C
2L
IM