7-8
UNSWB+
C108
L105
100pF
390nH
C109
100pF
C111
CR101
13pF
L101
L102
19.61nH
19.61nH
C101
C102
C103
C104
100pF
6.2pF
10pF
6.2pF
J101
RF_JACK
1
4
2
GND
3
C141
L116
NU
9.75nH
J102
ANTENNA_NUT
5
TAB5
2
4
TAB2
TAB4
1
3
TAB1
TAB3
H101
C140
HEATSINK
NU
1
POS
P100
Figura 7-8. Diagrama esquemático del transmisor de UHF
E101
BEAD
R102
0.1
L107
C123
33.47nH
10uF
C172
0.1uF
L106
7.66nH
Microstrip
Microstrip
R172
200
1
Q110
Microstrip
R175
6.2
2
C112
C113
47pF
10pF
3
R103
43
R176
6.2
L104
19.61nH
RX_IN
2
1
CR102
2
1
C106
C107
4.7pF
3.3pF
3
R170
240
C175
20pF
R101
240
C119
100pF
SH100
SH101
SHIELD
SHIELD
1
1
HF SHIELD
PA SHIELD
C114
100pF
R106
10
L108
L109
C121
C160
11.03nH
100pF
4.22nH
100pF
C118
100pF
L160
C115
C116
C117
C120
15.0nH
15pF
33pF
30pF
10pF
TX_INJ
C151
100pF
C150
R107
.022uF
NU
C295
100pF
R161
R111
200
20
C161
R110
R112
C125
0.1uF
300
300
100pF
R104
2K
L113
5.6nH
R120
C127
0
C169
1000pF
3.9pF
7.5pF
C171
R173
R171
100pF
1MEG
NU
R109
200K
1000pF
L115
390nH
Tarjeta de circuito de UHF banda 1, esquemas eléctricos y lista de partes
UNSWB+
L112
390nH
C130
C128
100pF
.022uF
R108
NU
C152
.022uF
GND4
13
U101
GND3
12
09Z67
GND2
5
CLK
GND1
4
UNSWB+
C105
DATA
100pF
C165
100pF
CSX
C122
100pF
L114
C174
100pF
390nH
R133
UNSWB+
NU
C129
C166
R132
100pF
C131
470K
.022uF
1
24
RFIN
VAR3
2
23
T1
RX
3
22
CI
NA
4
21
U102
INT
RS
5
20
CJ
H99S
VAR1
6
19
C133
VL
VLIM
7
18
CL
VAR2
8
17
C134
C135
GND1
V5EXT
3300pF
.022uF
C138
C126
100pF
0.1uF
GND
UNSWB+
Q111
4
3
C132
100pF
2
6
1
RESET
C110
100pF
5V
C170
100pF
CR105
1
C173
LM50
.022uF
R130
10K
2
VOUT
R131
3
10K