
Schematic Diagrams, Overlays, and Parts Lists
: UHF Band 1 Section
X_OUT
TX_BIAS
ANT_BIAS
TX_INJ_1
UNSWB+
DATA
UNSWB+
UNSWB+
CSX
UNSWB+
CLK
RESET
5V
UNSWB+
TX_INJ
C123
10uF
BEAD
E101
R102
0.075
L107
33.47nH
Microstrip
Microstrip
C111
11pF
100pF
C109
C112
47pF
L106
7.66nH
C113
10pF
1
2
3
Q110
6.2
R176
6.2
R175
Microstrip
33pF
C116
30pF
C115
0.1uF
C172
R103
43
200
R172
4.22nH
L108
10
R106
30pF
C117
100pF
C118
L109
0
C114
100pF
NU
NU
100pF
C160
.022uF
C152
100pF
C130
R107
R108
5.6K
L160
15.0nH
C151
100pF .022uF
C150
C121
100pF
.022uF
C128
22nH
L112
C120
C161
0.1uF
200
R161
7
RFOUT2
1
VCNTRL
14
VD1
2
VG1
3
VG2
12
GND3
13
GND4
8
NC1
9
NC2
10
NC3
15
NC4
16
RFIN
6
RFOUT1
U101
C65
11
G2
4
GND1
5
GND2
C125
100pF
270K
R132
.022uF
C131
390nH
L114
C127
1000pF
5.6pF
C169
100pF
C165
5.6nH
L113
C166
100pF
7.5pF
C129
PA SHIELD
POS
1
HEATSINK
H101
1
SHIELD
SH101
NU
R174
R120
43K
100pF
C119
300
R112
if
20
R111
R104
47K
C295
100pF
R110
300
43K
R171
100pF
C171
180K
R173
1
CR103
2
3
2
6
4
1
3
Q111
10K
47K
4.7K
47K
C132
100pF
NU
100pF
C174
C122
100pF
C105
100pF
R133
R136
1MEG
L115
390nH
C134
3300pF
200K
R109
1000pF
C133
.022uF
C135
C138
100pF
0.1uF
C126
C170
100pF
C110
100pF
CR105
GND
3
1
POS
2
VOUT
LM50
10K
R130
.022uF
C173
R131
18K
VG
15
VL
6
VLIM
19
T1
2
TEMP
30
V10
14
V45
16
17
V5EXT
20
VAR1
18
VAR2
24
VAR3
INT
4
22
NA
Q
11
QX
10
1
RFIN
RS
21
31
RSET
RX
23
CL
7
CLK
26
CQ
12
CQX
13
DATA
28
F168
9
GND1
8
GND2
25
U102
H99S
ANO
32
BPOS
27
CEX
29
CI
3
CJ
5
ZMY0130018-F
Figure 4-25:
UHF (403–470 MHz) Transmitter Schematic Diagram
Содержание PR860
Страница 1: ...PR860 Two Way Portable Radio Detailed Service Manual ...
Страница 2: ......
Страница 5: ...iv Notes ...
Страница 9: ...viii Table of Contents Notes ...
Страница 13: ...Notes xii List of Figures ...
Страница 17: ...1 4 Introduction Radio Model Information Notes ...
Страница 51: ...2 34 Theory of Operation Voltage Control Oscillators VCO Notes ...
Страница 81: ...4 4 Schematic Diagrams Overlays and Parts Lists Flex Layout Notes ...
Страница 193: ...4 116 Schematic Diagrams Overlays and Parts Lists Low Band Section Notes ...
Страница 196: ......