User Guide

CC Technical Documentation 3205 Schematics / Layouts RM-11
Issue 1 02/2004 ©2004 Nokia Corporation Confidential Page A-5
Front End
00
00
0
0
IF_SEL
1
0
LOGIC INPUTS
AMPS Hi Gain
00
CEL CDMA Hi Gain
0
CEL CDMA Lo Gain
1
1
GAIN_CTL
PCS CDMA Hi Gain
1
BAND
GND
Vrx
1
1
AMPS Lo Gain
0
PCS CDMA Lo Gain
MODES
1
R750
4R3
120nH
L765
82nH
L770
GND
GND
GND
GND
1p5
C755
3n3
VR5
Vrx
C761
100p
C766
L750
19n0H
NOT_INSTALLED
GND
C751
120nH
L761
R751
0R
NOT_INSTALLED
Vdd
5
GND
6
Gain_cntl
7
Plna_out 8
GND
9
GND
2
Vdd
20AMPS_out
CDMA_out 22
23
IF_Sel
24
LO_in
3
Band_sel
Pmix_in4
12
13Clna_out
Vdd
14
15
Vdd
16 Cmix_in 17Mix_out
IFA_In
18
19
IFA_src
N750
ALFRED_SC_7195_PBFREE
1
Vdd
10 Plna_in
Clna_in
11
GND
GND
GND
Vrx
18nH
L755
L702
12nH
NOT_INSTALLED
NOT_INSTALLED2p2
C782
Vrx
C752
R765
47k
2n7H
L771
GND
100p
C753
L752
15nH
GND
C740
22p
Bal_Out
L773
2n7H
Case_Gnd
Bal_Out
GND
/In_Gnd
In
B39131-B4957-H710
128.1MHz
Z753
L760
120nH
10p
C777
GND
IN
OUT
GND
C784
Z752
128VT30A
128.1MHz
Vrx
1n0
C756
100p
L767
220nH
3n3
C769
C772
6p8
47n
C758
GND
GND
L759
C781
3p9
100nH
15nH
L757
C757
56p
GND
100n
C786
C785
1p5
6p8
C778
1p2
C770
220nH
L768
L751
6n2H
C750
100p
12p
C763
GND
Vrx
881.5MHZ
Z751
IN
GND
OUT
4R3
R769
120nH
L766
1960MHZ
Z750
IN
OUT
C779
6p8
GND
GND
L762
GND
C788
100n
82nH
GND
470p
C767
C787
12p
R768
47k
220nH
GND
82R
R707
GND
L753
L764
GND
180nH
6p8
C771
GND
4p7
C783
4p7
C759
GND
GND
100nH
L754
LNA_CEL
LNA_PCS
R764
47k
CDMA_IF_P
CDMA_IF_N
GAIN_CTL
BAND_SEL
PCS_CELL_LO
AMPS_IF_P
AMPS_IF_N
IF_SEL