Figure 9.3-23.Pmle4427A/ Pmle4427B Tx Schematic - Motorola ASTRO XTS 2500 Service Manual

9.3-24
RAW_B+
L101
15nH
C102
C101
100pF 100pF
TX_RF
C100
100pF
30 X 60
RESET
SPI_CLK
MOSI
PCIC_CS
Figure 9.3-23. PMLE4427A/ PMLE4427B TX Schematic
August 16, 2007
E140
2405688Z01
E102
C187
C110
2480574F01
100pF
.01uF
.01uF
C103
180nH
L114
C115
U101
100pF
SRFIC5668
16 6
RFIN RFOUT1
1 7
VCNTRL RFOUT2
14 2
VD1 VG1
C113 L117 L119
11 3
G2 VG2 6.2pF 12nH 27pF
DNP
8
C109
NC1
9 C106
NC2 .01uF
100pF
10
NC3
15
NC4
L106
1uH
R102
C104 C108
15K
.01uF
100pF
C111
R104
100pF
18K
C112
30 X 60
100pF
30 X 60
C182
100pF
30 X 60
0
R108
C186
0.1uF
30 X 60
BLM11A601S
E141
R144
100K
20 X 40
Q200
C185
.01uF
20 X 40
Place Close to PA Choke
C142
airwound C141
C122 1uF
100pF
L125 330pF
23.75nH 0.1uF
Tantalum
R105
200 C129
L126 100pF
10.12nH 30 X 60
C120
airwound
36pF
Q101
C181 C126 C128 C124 C125
39pF 24pF 6.8pF 27pF 3.9pF
G
TP_TEMP
C176
R103 68pF R153
L120
1K 1K
20 X 40 R142 560nH
20 X 40
12K R143
22K
33K
39K
20 X 40
20 X 40
C149
.01uF
R154
100
20 X 40
20 X 40
C148
100pF
100pF
330pF
GND POS 100pF
3 C188
20 X 40
20 X 40
U103
Temp. Sensor
Place Close to PA
H99S4
TP_DAC3
Place Close to pin 1 of PCIC
1 24
RFIN VAR3
C140
2 23
100pF NC T1 RX
3 22
20 X 40 CI NA NC
4 21
INT U102 RS
5 20
CJ VAR1 NC
1500pF 6 19
C143 H99S-4
VL VLIM
1500pF 7 18
CL VAR2
TP_146 20 X 40
8 17
C144 470pF
GND1 V5EXT
C145
TEST_POINT
470pF
.015uF
20 X 40
20 X 40
R146
1K
20 X 40 C147
1uF
D100
Tantalum
NC
C146
0.10uF
20 X 40
UHF2 Schematics, Board Overlays, and Parts Lists
Bi-directional Coupler
D170
C171
100pF
30 X 60
C180
24pF
R168 R170 R172 R169 R171 R173 30 X 60
1uH
130 150 150 75 75 150
L128
DNP
DNP
C130
.01uF
20 X 40
L176
15.22nH
D173
NU
NC
R157 R151
R155
10K 82
390
NU
20 X 40
R158
10
R152 NU
0
C189 R150
DNP
100pF 82 D171
TP_160
TEST_POINT
R159
0
R125
L121 82
C191 R156
R160
68nH
68pF 1K
0
NU NU
NU
C131
R162
.01uF
10K
20 X 40
NU
4.7K
R147 R149
0
20 X 40
DAC_3
Q197
10K
R127
20 X 40
0 R109
TP_VLIM
20 X 40
4V5
Last_L= L176
Last_R= R151
Last_C= C186
30 X 60
C172
C174
1.8pF 1.0pF
J101
L170 L171
L172
15.22nH 15.22nH 15.22nH
C173
C175
4.7pF C177 R199
6.2pF
4.3pF 10K
30 X 60
30 X 60
C170
4.7pF
30 X 60
C179
100pF
30 X 60
RX_RF
C178
2.0pF
20 X 40
DAC_2
6816985H01-B