User Guide

Nokia Customer Care 6235/6235i/6236i (RM-60) Schematics / Layouts 6235/6235i/6236i (RM-60)
Issue 1 04/2005 ©2005 Nokia Corporation Company Confidential Page A-21
Front End (N7160)
BAND GAIN_CTL
CEL CDMA Hi Gain
CEL CDMA Lo Gain
PCS CDMA Hi Gain
PCS CDMA Lo Gain
AMPS Hi Gain
AMPS Lo Gain
0
00
0
0
0
0
0
001
1
1
1
1
0
11
MODES
LOGIC INPUTS
IF_SEL
C7175
100p
C7160
56p
L7160
15nH
Vrx
GND
R7160
C7174
6p8
GND
OUT
0R
1960MHz
Z7161
IN
C7187
R7165
4R3
NOT_INSTALLED
1p8
GND
180nH
L7167
Bal_Out
Bal_Out
/Gnd
In
120nH
L7174
B39131-B4959-H310
128.1MHz
Z7163
GND
100n
C7178
4p7
C7173
2p7
C7180
C7164
NOT_INSTALLED
GND
C7167
NOT_INSTALLED
GND
Vrx
120nH
L7177
5p6
C7168220nH
881.52MHz
Z7160
IN GND OUT
L7164
100p
C7183
GND
GND
GND
GND
82nH
L7173
L7163
19nH
82nH
L7170
220nH
L7178
120nH
L7169
6p8
C7169
C7188
8p2
L7162
5n6H
R7163
GND
GND
GND
VR5
82R
100p
C7166
C7181
100p
3n3H
L7172
100p
C7186
C7170
1n0
C7177
3n3
18nH
L7171
GND
15nH
L7175
GND
GND
L7161
2n7H
C7165
1p5
47n
C7184
L7179
L7165
100nH
GND
120nH
GND
GND
L7166
12nH
GND
6
Gain_cntl
7
8Plna_out
9
GND
GND
GND
Vdd
AMPS_out 20
22CDMA_out
IF_Sel
23
24
LO_in
3
Band_sel
Pmix_in4
Vdd
5
Clna_out
14
Vdd
Vdd
15
Cmix_in16 Mix_out 17
IFA_In
18
19
IFA_src
2
N7160
1
Vdd
10 Plna_in
11
Clna_in
GND
12
13
GND
Vrx
Vrx
22p
C7179
GND
Vrx
Vrx
L7168
220nH
R7166
47k
R7164
47k
R7162
47k
C7161
GND
1p5
128.1MHz
IN
GND
OUT
12p
C7163
Z7162
128VH30A
3n3
C7176
L7176
120nH
C7162
100n
C7185
12p
4R3
R7161
GND
8p2
C7182
10p
C7171
GND
C7172
3p9
LNA_PCS
CDMA_IF_P
CDMA_IF_N
IF_SEL
GAIN_CTL
BAND_SEL_FE
PCS_CELL_LO
LNA_CEL
AMPS_IF_P
AMPS_IF_N
version 10, edit 2