cxa1102m Sony Electronics, cxa1102m Datasheet - Page 4

• Manufacturer Part Number: cxa1102m
• Description: Dolby B Type Noise Reduction System
• Manufacturer: Sony Electronics

Block Diagram
Test Circuit
+15V
Vcc
REC IN
REC IN
PB IN
PB IN
Audio
SG
A
C21
C11
1µ
1µ
C22
C12
1µ
1µ
S3
S4
16
1
R
R
P
P
OFF
OFF
R11
5.1k
R21
5.1k
Vcc
15
2
C11
1µ
R22
5.1k
R12
5.1k
ATT2
ATT2
ATT2
C21
1µ
3
14
16
1
15
2
100µ
13
4
C2
ATT1
ATT3
ATT3
ATT3
ATT3
ATT1
100µ
R1
43k
C1
14
3
C12
C22
REC/PB
1µ
ON/OFF
1µ
12k
R3
– 4 –
12
5
13
4
100µ
OFF
43k
R1
C1
R4
2k
SC
SC
SC
P
12
5
S2
11
6
S1
4.7µ
C24
ON
R
11
6
510
R5
C14
4.7µ
DET
DET
DET
10
7
10
7
C23
0.68µ
C13
0.68µ
0.68µ
0.68µ
C23
C13
8
9
8
9
CXA1100/CXA1101/CXA1102/CXA1163
4.7µ
C24
R
C14
4.7µ
R
2 S6-2
P
1
P
C25
4.7µ
4.7µ
C15
4.7µ
4.7µ
C16
C25
S5-1
S5-2
1
2
ATT: Attenuator
SC : Side Chain
DET: Detector
S6-1
REC OUT
LINE OUT
LINE OUT
REC OUT
10k
R2
OFF
CCIR/ARM
Distortion
AC Level
Analyzer
Meter
DC Level
Filter
Meter
S7
ON