pbl388131sot ETC-unknow, pbl388131sot Datasheet - Page 13

• Manufacturer Part Number: pbl388131sot
• Description: Voice-switched Speakerphone Circuit With Built Loudspeaker Amplifier
• Manufacturer: ETC-unknow

Figure 27. Application.
Telephone
line in.
4x1N4007
Hook switch
820
820
MIC.2
MIC.1
68nF
620
620
47k
handsfree
DTMF
68nF
47nF
47nF
150nF
150nF
5.6k
6.8nF
100
100
6V
10
12
13
handset
24
15
22
21
1
2
4
3
5
8
+
100
DC
F1
100
9
+
6V
+
F3
AD
AM
F2
7
4,7k
2200 F
16 V
–
+
6
+
7
100 F
6 V
5
470 k
+
22K
18K
11
17
15nF
10
+
6
100 F
16 V
2.2 F/6V
3
220nF
AT
18
Control
+
1
2
47
430
19
PBL 385 41
8
10k
LOUDSPEAKER
100nF
PBL 388 13
200R
50
47nF
5k6
+
330nF
3K6
9
2.2 F/6V
15
10
20
AR
16
F6
F5
68K
F4
14
12
23
16
11
10
14
13
100nF
+
18
+
17
+
4
100
1 F
33nF
4.7nF
16V
15V 1W
220nF
47k
68nF
910
PBL 388 13
REC
15nF
50k
10k
13