5 – 28
GX10i
CONFIDENTIAL
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 23 SCHEMATIC DIAGRAM (21/23)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
2
3
4
56
7
89
10
1
1
12
13
14
16
15
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
G
VBAT_R
G
BS2
G
BS1
G
BS0
G
RAMPDAC
G
ITXN
G
ITXP
G
QTXN
G
QTXP
G
QRXN
G
QRXP
G
IRXP
G
IRXN
G
SYNTHDATA
G
SYNTHEN
G
VTCXO
G
SYNTHCLK
G
AFCDAC
G
VRF
5-26 (6-B)
5-27 (12-E)
5-27 (12-E)
5-27 (12-E)
5-25 (10-G)
5-26 (6-B)
5-27 (9-F)
5-25 (8-G,H)
5-24 (6-H)
5-24 (6-H)
5-27 (12-F)
5-25 (12-G)
5-27 (12-E)
5-27 (9-F)
5-27 (12-E)
G
VSYNTH
G
TCXOOUT
G
VTXVCO
1
2
3
4
1
2
3
4
1 2 3
4
5
6
NC
1
2
3
4
5 6 7
8
1
2
3
4
5
6
7
8
VRF
VTXVCO
N/A
N/A
IC971
N/A
HIGH
KEY PWB-B(2/2)
Vcc
OUTPUT
GND
Vcont
1
2
3
4
GSM
DCS
PCS
~24CH
51CH~
25CH~50CH
Pin 3
LOW
LOW
HIGH
GSM
DCS
PCS
Tx
Rx
Tx
Rx
Tx
Rx
BS0
BS1
BS2
LOW
LOW
LOW
LOW
LOW
LOW
LOW
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
BS
RECEPTION SIGNAL
TRANSMISSION SIGNAL
9
8
7
13
10
14
6
4
5
11
12
20
17
,
18
15
,
19
16
,
C901
0.01
C905
0.01
C977
0.01
C976
0.01
C982
0.01
R953
10
C941
0.01
C942
0.01
R941
10
R942
10
C
2
C980
0.0022
C981
0.0022
C921
0.01
C978
3P(CH)
C979
3P(CH)
C922
0.01
C943
0.01
C946
0.01
C971
0.1
C873
0.001
L861
FER
BEA
L971
FERRITE
BEADS
R886
10K
R871
47
R872
33
C871
100P(CH)
R901
10
R905
10
C945
270P
(CH)
R944
4.7K
C952
100P(CH)
R972
1.5K
R973
3.3K
C975
150P
(CH)
R974
4.7K
C954
0.1
C955
0.1
C889
2.2
R887
100K
C947
22P(CH)
C944
0.0018
C872
0.012
L
2
C924
220P(CH)
C923
220P(CH)
C974
0.001
C973
0.0082
L951
FERRITE BEADS
IC901
HD155148TF
RF
FL971
BALUM
VCO971
RF VCO
R923
0
TCX951
26MHz
TCXO