Nokia 3105 Servicehandbuch
CCS Technical Documentation
3105
Schematics / Layouts (1dg_07a)
RH-48
Issue 1 11/2003
©
2003 Nokia Corporation Confidential
Page A-3
PA
Pin 16 ISOLATED GND
Low Tx Power
High Tx Power
AMPS
ORCA
CELL
CELLULAR
GND
Mode
GND
C808
10u
GND
VBATTRF
VCC
GND
68nH
L802
1n0
3,6,7,9,11=
N803
CX77145
Vcc1
1
Vcc2
10
RFin
2
4
Vbias
Vref
5
RFout
8
C814
33nH
L806
GND
VSS
9
GND
GND
16
M0
2
3
3
M1
4
NC
5
FB
FB
FB
6
BYPVOUT
7
8
VDD
1
EP
10
NC
VBGAP
11
12
VDD
VSS
13
VSW
14
15
15
VSW
GSW
GSW
GND
17=
CX20504
N800
100n
C803
GND
VR2
L803
NA
L805
68nH
1
2
0
2
0
GND
VCC
GND
Z803
DUPLEX
FILTER
GNDPINS=
TX
RX
ANT
GND
GND
GND
VR1A
GND
In C
1
In R
2
3
GND
GND
VBAT
GND
N804
UMD3NTR
1
2
3
4
5
6
X801
C813
470p
10u
C806
2u7H
VCC
GND
VBAT
L800
GND
33n
C807
10U
C805
C811
1p0
2k7
R814
150p
C802
GND
C809
68nH
L804
R821
47k
1
IN
6
OUT
NA
B2
GND1
B3
GND1
Bias
C1
C2
GND1
C3
RFIn
GND
Z802
ESI-5BBR0836M01-T
N805
STPAC01-F1
Temp
A2
A3
DCOut
B1
GND2
10n
C816
10n
C810
GND
TEMP_SENS
DET_REF
DET_IN
D(2:0)
CEL_LNA_IN
TX_GATE
ANTENNA
PA_CELL