CXA1917AS SONY [Sony Corporation], CXA1917AS Datasheet - Page 13

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CXA1917AS

Manufacturer Part Number
CXA1917AS
Description
Dolby S type Noise Reduction Processor
Manufacturer
SONY [Sony Corporation]
Datasheet
B-C-S Type Switchable Stereo Processor
Fig. 4 shows the stereo processor switchable to any B-C-S type mode. The operational amplifier is unnecessary,
because the CXA1563 is used for a B-C type processor and S-type changeover switch is built in the IC. It is
recommended that the S type mode be used for recording level calibration.
(–26dBm)
(–20dBm)
LINEOUT
RECOUT
(–6dBm)
(–6dBm)
RECIN
PBIN
(–20dBm)
(–26dBm)
LINEOUT
LINEOUT
RECOUT
(–6dBm)
(–6dBm)
(–6dBm)
RECIN
6
5
8
7
PBIN
6
5
8
6
7
S1
R61
22k
2.2µ
C64
2.2µ
C62
C63
R61
C61
10µ
56k
10µ
R61
56k
2.2µ
C63
4.7µ
C62
R65
4.7µ
4.7µ
C61
C62
R63
2k
VCT
3k
VCT
VCT
R64
R65
18k
2k
R64
R63
18k
3k
R62
A1
A1
12k
Fig. 1. Recording Processor
Fig. 3. Switchable Processor
Fig. 2. Playback Processor
S2
A1
R62
12k
GND
GND
GND
5
7
5
6
7
6
– 13 –
GND
RECOUT
INPUT
RECOUT
INPUT
GND
6
5
7
RECOUT
GND
INPUT
Encoder Unit
Encoder Unit
Encoder Unit
GND
GND
VCT
VCT
V
V
V
V
CC
CC
EE
EE
GND
VCT
V
V
1
3
4
2
3
2
1
4
CC
EE
3
1
2
4
3
2
3
1
2
4
1
4
GND
V
V
VCT
V
V
VCT
GND
CC
EE
CC
EE
2
3
1
4
GND
V
V
VCT
CC
EE
CXA1917AM/AS

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