PBL3852 Datasheet, PDF (22/24 Pages) Ericsson – Universal Transmission Circuit

PBL 3852
Mute
R21 DC-control
(+Line)
6
R24
5
1
C13
13
17
+
12
+
C12
R25
Ref. DC
supply
DC
supply
PBL 3852
Ref.
18
9
8 11 ³
2
7
10
15
+
R22
16
14 4 +
D1
C4
R3 R4
C5
R10
C8
DC1 DC2
Power
down
C2 ₊ C3 ₊
R5 R6
R7
DTMF
R9
R12
R8
R13
R11
R14
C6 ₊ C7
R15
R18
R17
R19
+
C9
C10
(-Line)
Component list for application with soft clipping.
R1 = -
C1 = -
R2 = -
C2 = 47µF
R3 = 100Ω
C3 = 47µF
R4 = 24k
C4 = 150nF
R5 = 10k
C5 = 47nF
R6 = DTMF level adj. C6 = 100nF
R7 = 39Ω
C7 = 2.2µF
R8 = 30k
C8 = 47nF
R9 = 620Ω
C9 = 47µF
R10 = 24k
C10 = 15nF
R11 = 3.3k
C11 = -
R12 = 130Ω
C12 = 1µF
R13 = 2.4Ω
C13 = 1µF
R14 = 360k
R15 = 360k
R16 = -
R17 = 13k
R18 = 62k
R19 = 910Ω
R20 = -
R21 = 15k
R22 = 30Ω
R23 = -
R24 = 200Ω
R25 = 200Ω
Figure 34. Application with softclipping.
22