Schematics, Board Layouts, and Parts Lists: Transceiver (RF) Board 12-5

6881094C12-A November 11, 2004
Figure 12-4. NUE7337_ Transmitter and Automatic Level Control Circuits
*
*
*
*
100pF
C103
delete,.
E101
88Z01
delete,.
C139
20pF
L111
5.6nH
Q108
C118
100pF
R101
51K
ANO
NC
NC
R129
4.7K
C119
100pF
NC
NC
100
R102
NC
C115
.01uF
L104
BLM11A601S
NC
NC
ANO
NC
11.87nH
L110
C138
.01uF
2
VG1
VG2 3
NC
39K
R130
9NC2
NC3
10
15 NC4
RFIN
16 RFOUT 1 6
RFOUT 2 7
VCNTRL
1
VD1
14
17 EP
11 G2
GND1
4
GND2
5
GND3
12
GND4
13
NC1
8
C136
U102
30C65
1uF
C137
D104
MMBD7000
27pF
100
R119
100
R120
RAWB+
TXB+
TXB+
TP111
C106
100pF
RAWB+
R103
220
R109
100
2200pF
12nH
C122
6
2
1
3
4
5
7
8
L109
Q107
C130
0.1uF
R121
R118
100
NC
TXB+
100
R108
12K
L107
L106
12nH
12pF
2.7nH
12nH
C109
L105
C116
NOTPLACED
C117
100pF
L101
59.71nH
NC
R107
4.7K
A1
A2 K1
K2
NC1NC2
NC
D101
C121
33pF
NC
NC
C125
100pF
15.0pF
C111
R104
100
100
R110
RAWB+
L108
C112
3.0pF
R106
47
.01uF
39K
1PORT2 2
A1
PORTA1
A2 PORTA2
B1 PORTB1 B2
PORTB2
C114
43pF
33C23
U101
PORT1
0.1uF
C108
C101
3.3pF
C110
C113
100pF
1uF
C131
.01uF
C133
C123
NOT
PLACED
100pF
C124
TXB+
R105
18K
TP101
100pF
C107
100K
R111
LM50
U103
GND
3POS 1
VOUT
2
ANO
R117
10
V45
V5EXT 17
VAR1 20
18
VAR2
VAR3 24
15 VG
VL
6VLIM 19
QX
RFIN
1
RS 21
31
RSET
RX 232 T1
TEMP 30
14 V10
16
CQX
13 DATA 28
F168
9
8GND1
GND2 25
4INT
NA 22
11 Q
10 ANO
BPOS 27
CEX 29
3CI
CJ
5
7CL
CLK 26
12 CQ
U104
H99S4
5185765B26
32
.01uF
C102C104
.01uF
BLM11A601S
L103
ANO
PAOUT
RAWB+
FWD
MOSI
USEL
SPCK
RSTL
TXB+
TXRF

MAEPF-27947-O