User Guide

CCS Technical Documentation 6225 Schematics / Layouts RH-27
Issue 1 11/2003 ©2003 Nokia Corporation Confidential Page A-5
Front End
0
LOGIC INPUTS
AMPS Hi Gain
00
CEL CDMA Hi Gain
0
1
0
1
GAIN_CTL
PCS CDMA Hi Gain
1
BAND
1
CEL CDMA Lo Gain
1
0
PCS CDMA Lo Gain
MODES
0
IN
OUT
1
AMPS Lo Gain
00
0
0
IF_SEL
1
6p8
C779
Z750
1960MHZ
GND
GND
GND
100n
C788
1p2
L768
220nH
C770
100p
C750
6n2H
L751
Vrx
C763
12p
19n0H
L750
GND
C766
100p
L761
120nH
NOT_INSTALLED
C751
GND
GND
GND
C759
4p7
L754
100nH
47k
R764
C777
10p
GND
128VT30A
Z752
IN
OUT
GND
128.1MHz
C756
Vrx
C784
1n0
GND
100p
GND
R707
82R
L764
180nH
C771
6p8
4p7
2n7H
L773
GND
C783
Bal_Out
Case_Gnd
Bal_Out
GND
/In_Gnd
In
Z753
128.1MHz
B39131-B4957-H710
120nH
L760
4R3
R750
GND
Vrx
120nH
GND
L765
220nH
L767
GND
L770
82nH
C769
3n3
6p8
C772
Vrx
GND
GND
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
R765
Vrx
NOT_INSTALLED
C752
GND
47k
L771
2n7H
15nH
L752
C753
100p
22p
C740
0R
R751
6
GND
7
GAIN_CTL
8P_LNA_OUT
9
GND
GND
NOT_INSTALLED
AMPS_OUT 20
22CDMA_OUT
IF_SEL
23
LO_IN
24
BAND
3
4 P_MIX_IN
5
P_RFA_VDD
14
VDD
RFA_VDD_C
15
C_MIX_IN16 MIX_OUT 17
18
IFA_IN
IFA_SRC
19
LO_VDD_C
2
ALFRED_CMH0819N
N750
LO_VDD_P
1
P_LNA_IN10
11
C_LNA_IN
12
GND
C_LNA_OUT 13
GND
Vrx
L762
82nH
GND
C767
470p
R768
12p
C787
GND
47k
220nH
L753
GND
GND
C761
VR5
C755
1p5
3n3
C758
47n
3p9
C781
L759
100nH
56p
C757
L757
15nH
LNA_CEL
LNA_PCS
CDMA_IF_P
CDMA_IF_N
GAIN_CTL
BAND_SEL
PCS_CELL_LO
AMPS_IF_P
AMPS_IF_N
IF_SEL