User Guide

CCS Technical Documentation 6585 Schematics / Layouts RH-34
Issue 1 11/2003 ©2003 Nokia Corporation Company Confidential Page A-5
Front End
1
0
0
PCS CDMA Lo Gain
MODES
0
1
AMPS Lo Gain
00
0
0
IF_SEL
1
0
LOGIC INPUTS
AMPS Hi Gain
00
CEL CDMA Hi Gain
01
GAIN_CTL
PCS CDMA Hi Gain
1
BAND
1
CEL CDMA Lo Gain
1
OUT
GND
C777
10p
128.1MHz
128VT30A
Z752
IN
Vrx
C784
1n0
100p
C756
GND
GND
R707
82R
L764
180nH
C771
6p8
GND
C783
4p7
2n7H
L773
/In_Gnd
In
Bal_Out
Z753
128.1MHz
B39131-B4957-H710
Case_Gnd
Bal_Out
GND
120nH
L760
IN
OUT
Vrx
6p8
C779
Z750
1960MHZ
GND
GND
GND
100n
C788
C770
1p2
L768
220nH
100p
C750
6n2H
L751
Vrx
C763
12p
Z751
881.5MHZ
IN
GND
OUT
GND
R769
4R3
L766
120nH
1p5
C785
GND
C786
100n
C778
6p8
L755
18nH
GND
12nH
L702
NOT_INSTALLED
C782
2p2
Vrx
Vrx
NOT_INSTALLED
C752
19n0H
L750
GND
C766
100p
L761
120nH
NOT_INSTALLED
C751
GND
GND
GND
C759
4p7
L754
100nH
47k
R764
C767
470p
GND
12p
C787
GND
47k
R768
L753
GND
GND
220nH
GND
3n3
C761
VR5
C755
1p5
C781
C758
47n
100nH
3p9
L759
L757
15nH
56p
C757
4R3
R750
GND
120nH
GND
L765
GND
L770
82nH
220nH
L767
C769
3n3
6p8
C772
R765
GND
GND
GND
47k
L771
2n7H
15nH
L752
100p
22p
C740
C753
0R
R751
GND
7
GAIN_CTL
8P_LNA_OUT
9
GND
GND
NOT_INSTALLED
22CDMA_OUT
IF_SEL
23
LO_IN
24
BAND
3
4 P_MIX_IN
5
P_RFA_VDD
6
14
VDD
RFA_VDD_C
15
C_MIX_IN16 MIX_OUT 17
18
IFA_IN
IFA_SRC
19
LO_VDD_C
2
AMPS_OUT 20
LO_VDD_P
1
P_LNA_IN10
11
C_LNA_IN
12
GND
C_LNA_OUT 13
GND
Vrx
ALFRED_CMH0819N
N750
LNA_CEL
LNA_PCS
L762
82nH
CDMA_IF_P
CDMA_IF_N
GAIN_CTL
BAND_SEL
PCS_CELL_LO
AMPS_IF_P
AMPS_IF_N
IF_SEL