Figure 11-35. Uhf (465-495 Mhz) Pcb8486634Z02-O Transmitter And Power Control Schematic Diagram - Motorola EP450 Service Manual

11-46
PA_USWB+
USWB+
PA_TX_EN A
TX_ENA
Q171
SH100
SHIELD
1
PA_PWR_SET
PWR_SET
PA_5T
5T
C109
0.1uF
C103
390pF
C100
390pF
PA_TX_INJ
R101
TX_IN J
5.6
C104
R100 R102
820 820
6.8pF

Figure 11-35. UHF (465-495 MHz) PCB8486634Z02-O Transmitter and Power Control Schematic Diagram

November 24, 2003
C170
4 5
390pF
Q170
EMB10
3
C525
390pF
C160
R158
1.5K
0.1uF
C156
.01uF
8 2
TP150
1
1 3
U150-1
4
LM2904
R162
10K
C158
R110
390pF
680
C111 C112
R111
2K
390pF
0.1uF
C114
R106 R107
L100
4.7K NU 220nH
390pF
C102
L101
0.1uF
220nH
R105
1
2.7K
Q100
L102
2
BFG540W
7.5nH
C120
R103
3K
NU
C101 C108
R104
18
0.1uF 390pF
UHF R3 Tx
6
2
1
C157 C154
0.1uF
390pF
C151
390pF
C150
390pF
3 8 6
Q150
1 7
5
2
4
R157
C152
U150-2
2.2K
LM2904
C159 C153 390pF
R156
330
390pF 0.47uF
L110
220nH
VR110
C171
C113
3.9V
390pF
390pF
MM3Z3V9T1
4813830A86
2 3
VGG
VDD
C106 C117
L103
1
RFOUT 4
RFIN
5.1nH
390pF 390pF
C105
C107
GN D
NU 5
NU
U110
RA07M4452M_UHF
UHF 465-495 MHz Schematic Diagrams, Overlays, and Parts Lists
C172
R120
390pF
150
R152
100K 1% R121
150
R153
U151
100K
1%
57R01
C121
R154 R151
L120
390pF
220nH
1%
100K 39
R155
R150
100K
0.1
1% C137
L140
15.92nH
C115 C116
0.1uF
1uF
C141
1pF
C133 C135
C131
NU NU
NU
D120
L130 L131 L132
20.45nH 17.02nH 17.02nH
MA4PH261
C130
C132 C134 C136
NU 6.8pF 4.3pF
6.8pF
PA_RX_OU T
L121
C124 390pF
15nH 0603
D121
C122 C123
2.7pF 3.9pF
MA4PH261
J140
S1
4
220pF
3 S2
G1
2
G2
5
1
T1
6
T2
M140
ANTENNA_NUT
1 TAB1 3
TAB3 NC
2 TAB2 4
TAB4 NC
NC
L141
30.54nH
RX_OUT
HKLN4216A