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SGH-V205 Flow Chart of Troubleshooting and Circuit Diagrams
6-
21
20. Synthesizer Circuit Diagram
E
0. 8
Changed by
DOC CTRL CH
K
MFG ENGR CH
K
QA CH
K
(XOUT_EN)
12
Drawn by
Drawing Numbe r
Shee
to
f
Size
REV
TITLE
:
67
8
12
A3
8
SI-LA
B
MICRO STRIP LINE
E
F
345
3456
7
A
B
C
D
Date Changed
Time Changed
Engineer
COMPANY NAME
Address
City
R&D CH
K
F
A
B
C
D
user
8
2002.10.21
3:12:21 pm
JD Yang
JD Yang
91
1
SGH-V205
VOSC
22NF
C906
19
RXQP
SCLK
17
18
SD
I
SD
O 15
16
SEN
B
20
VDDA
VDDC
6
XI
N
7
XOUT
GND
24
GND
12
IO N
IO P 11
14
PDNB
RXI
N
5
RXI
P
4
RXQN
3
2
CKN
10
9
CKP
GND
1
GND
8
GND 13
GND
21
22
GND
23
7
XI
N
VRF
U900
24
RFLO
P
12
SCLK
SD
I
13
10
SD
O
SEN
B
11
VDDD
5
28
VDDI
VDDR
25
8
NC
14
NC
PDNB
9
RFLA
20
19
RFLB
17
RFLC
16
RFLD
RFLO
N
23
GND
21
22
GND
GND
29
30
GND
IFLA
3
2
IFLB
26
IFLO
N
IFLO
P
27
GND
1
GND
31
32
GND
4
GND
6
GND
GND
15
GND
18
14
VDD2
32
VDD3
26
VDD4
U902
RFLO
N
12
RFLO
P
24
RFOD
RFO
G
25
TXIN
6
TXIP
5
8
TXQN
TXQP
7
VDD1 23
L2
PDNB
31
20
RFID
N
RFID
P 19
22
RFIG
N
RFIG
P 21
18
RFIP
N
RFIP
P 17
13
GND
35
GND
36
GND
IFLO
N
10
9
IFLO
P
1
IO N
IO P
2
L1
29 28
CKN
4
CKP
16
DIAG
1
DIAG
2
15
GND
11
GND
27
30
GND
GND
33
34
U90 1
3
22N F
C913
VRF
C905
22NF
100PF
VOSC
C916
C903
22N F
22N F
C910
VRF
VRF
100PF
C918
100PF
10P F
C91 9
C912
10PF
C915
C914
100PF
C911
100PF
VOSC
100P F
C904
C907
47PF
C908
33PF
C920
22NF
C909
22NF
C917
100PF
VOSC
L90 0
3.9nH
VOSC
DPCS_PAM_I
N
PCS_LNA_IN_P
PCS_LNA_IN_N
XOENA
SERCL
K
SERDAT
SERL
E
13MHZ_BB
SI_EN
DCS_LNA_IN_P
TXI
N
TXI
P
TXQN
TXQP
SYN_EN
SERDAT
SI_EN
GSM_LNA_IN_N
GSM_LNA_IN_P
DCS_LNA_IN_N
GSM_PAM_IN
RXI
P
RXIN
RXQP
RXQN
CLK13M_RF
SERLE
SERCLK
CLK13M_RF