Silan
Semiconductors
TX-2B/RX-2B
RECOMMENDED APPLICATION CIRCUIT
VDD=9V
R
L
1
2
3
4
5
6
7
14
13
12
11
10
9
LED
1.5k
L1
2.2
L2
2.2
L4
6.8
H
H
XTAL
27MHz
B
H
47P
TX-2B
151P
L3
F
7T 0.3mm (
x 5mm(Core)
)
Q1
C945
Q2
C945
TURBO
8
C2 47P
Q1: C9018,C1815,C380,C382
Q2,Q3,Q4: 5610,C8550,B772
Q5,Q6: C8050,5609,D882
Q7,Q8: B564,C8550,B772
Q9,Q10: D471,C8050,D882
7T 0.3mm (
x 5mm(Core)
)
V
V
DD1=12V,R=330
DD1=9V,R=220
Q1
VDD1
180k
3.3k
3.0V
1N4148
100
/16V
F
220
/16V
F
470
/16V
F
Q3
VDD2
3.9MO
103P
390
R1
C945
1k
203P
330
Q2
Q5
Q4
Q6
R2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1k
C945
C945
M
473P
222P
1kO
R1,R2,R3,R4=80~150 ,are
changeable with the VDD1 and
RX-2B
V
DD2.
turbo
right
left
forward
backward
R3
Q7
Q8
R4
1k
1k
C945
C945
M
Q9
Q10
473P
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0
2002.03.29
9
SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
