Silan
Semiconductors
SC91310 Series
TYPICAL APPLICATION CIRCUIT
D1~D4
IN4004
R5 10M
Tip
VR1
250V
R3
33K
R6
3K
Ring
1A Bridge
On Hook
R4
33K
Off Hook
D7
IN4148
R1
Q2
A42
D5
IN4148
C1
100
D8 5V1
F
R9
470K
R7
1M
R10 10K
Q4
C1815
Q3 9013
R8
300K
R11
75K
C4 4
F
14
11
10
12
VDD
V
DD
1
4
7
*
2
5
8
0
3
6
9
#
DTMF
15 R1
DP
HKS
MODE
13
PULSE
TONE
F
16 R2
17 R3
18 R4
SC91310 SERIES
SPEECH
NETWORK
P-->T
R/P
C1
C2
C3
C4 B/M
V
SS
XT
XT
T/P MUTE
1
2
3
4
5
6
7
8
9
Q7
9013
VDD
R18 22K
X1
3.58MHz
C5
C6
VDD
30pF
30pF
HANGZHOU SILAN MICROELECTRONICS CO.,LTD.
Rev: 2.1
2002.12.03
11