SAN2202
9 Application schematic
1
2
3
4
5
6
7
8
SAN2202A
SAN2202B
Amplifier supply in shunt transistor path
Amplifier supply by power extraction circuit SAN3020
A
B
C
D
A
B
C
D
21
23
FCI
M1
vpp
LS
LI
1
27
24
M2
IC1
21
23
5K1
R7
FCI
M1
M2
LS
LI
1
28
27
24
RI
2
RO1
RO2
C12
X
I_96
6
STB
3
5
Q3
BC327
AGND
RR
25
7
28
CS
CI
RI
2
RO1
RO2
12
CC6
X
vpp
6
vin
STB
3
5
16
15
14
13
20
19
18
17
C1
C2
C3
C4
R1
R2
R3
R4
Power to
Q2
BC327
AGND
RR
25
7
speaker amp
CS
CI
12
10
8
HS/DP
MO
MODE
22
vin
16
15
14
13
20
19
18
17
C1
C2
C3
C4
R1
R2
R3
R4
9
LLC
11
OSC
10
8
HS/DP
MO
MODE
4
26
22
9
LLC
11
OSC
8 Ohm Loudspeaker Amplifier
4
26
vpp
R4
22K
+
R1
47K
CC5
470U
Q6
BC327-40
Q1
vin
BC337-10
D1
VR1
50K
The information furnished here by SAMES is believed to be correct and accurate. However, SAMES shall not
be held liable to any party for any damages including but not limited to personal injury, property damage, loss of
profits, loss of use, interuption of business or indirect, special, incidental or consequential damages, of any kind,
in connection with or arising out of the furnishing, performance or use of the technical data. No obligation or
liability to any third party shall arise or flow out of SAMES rendering technical or other services.
D2
R3
1K
R2
47K
SP1
8 Ohm
Q4
BC337-40
R5
22K
SAMES Telecom
Sch.
Pn#
SAN2202
Rev
: 1.1
Single Chip Telephone Application Circuit
Sh 01 of 01 Date 3rd March 1997
:
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sa me s
SAMES [ SAMES ]
