Part Name
         Description
BL9148B

 BL9148B ( 9 Page)


BELLING
100% 
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 7 page
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红外遥控发射电路BL9148B
http://www.belling.com.cn
- 7 -
8/24/2006
Total 9 Pages
Wrote by dipeng
九.
..
.
应用线路图
BL9148B
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
V
DD
Tx
out TESTBCODE
T
3
T
2
T
1
K
6
K
5
K
4
K
3
K
2
K
1
XTB
XT
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Key Matrix
K
1~K6
T
1~T3
V
DD=3V
2SA1015
2SC1815
TLN105
10K
10K
47uF



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