BL1101N系列
典型的应用线路图(TYPICAL APPLICATIONS AND APPLICATION HINTS):
RING
TIP
*/T
7
4
1
0
#
8
5
6
2
3
250V
稳压管
9
R/P F1 F2
D1~D4
摘机
挂机
叉簧
D5
D6
R2
R4 R3 R2 R1
C4
C3
C2
C1
R1
200K
R3
33K
22K
13
R4
3.3K
DP
R21 10K
T1
R5
T2
R7
1M
R6
3K
C5
20M
XT
R8
30pX2
D7
BL1101 N
300K
T3
D8
5.1V
XT
C6
12
16
HKS
VSS
+
R9
C2
0.1
MODE
100µ
470K
µ
VDD
脉冲
脉冲
双音频
µ
4.7
C4
14
11
9
R10
10K
DTMF
HF0
VDD
R11
75
T4
LOCK
R16
T/P
MUTE
VDD
22K
锁“0”
正常功能
HFI
10
T3
VDD
C3
0.1
锁“0”和“9”
语音网络
µ
免提
http://www.belling.com.cn
- 11 -
8/10/2006
Total 12 Pages
Wrote by 2006