CXA2561Q View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

Manufacturer

CXA2561Q

Dolby B-C Type Noise Reduction System with Playback Equalizer Amplifier

Sony Semiconductor 

Electrical Characteristics Measurement Circuit

CXA2561Q

Audio

SG

Power

Supply

VCC

GND

DC Ammeter A

R27 10k S21

R26 100 S20

R25 10k S19

R24 100 S18

R23 10k S17

C7

0.01µ

30

C5 ∗ R2

31 PBFB2

S4 2.2µ 270

∗R6 32 PBRIN2

680

C4

S3 2.2µ

33 PBGND

∗ R5

680

34 PBFIN2

35 VCT

C3

22µ

C2

S2 2.2µ

36 PBREF

∗R4 37 PBFIN1

680

C1

∗R3 38 PBGND

S1 2.2µ

680

39 PBRIN1

∗ R1

270

40 PBFB1

C6

0.01µ

1

∗ C9

2.2µ

R8

2.7k

C12

C17

1µ

2.2µ

29 28 27 26 25 24

CXA2561Q

2

3

4

5

C10

∗ R7

2.7k

C11

1µ

22µ

C8

2.2µ

6

7

C16

2.2µ

C19 C21

0.1µ 0.068µ

MSSW

H/L

23 22 21

MSMODE

H/L

MSMODE 20

DRSW

H/L

DRSW 19

TAPESW

H/L

TAPESW 18

MUTESW

H/L

MUTESW 17

NRSW

H/L

NRSW 16

NRMODE

H/L

NRMODE 15

MSOUT 14

R16

100k

DVCC

R22

10k S16

MSTC 13

G1FB 12

G2FB 11

C24

0.1µ

R17

1MEG

∗ R15

39k

∗ R14

3.9k

C23

4.7n

C22

0.47µ

8

9 10

C18 C20 C15

0.1µ 0.068 270p

µ

DC

Voltmeter

0dB or 30dB

Amp

∗R28

OFF: 0dB

50k S22 ON: 30dB

GND GND

S27

"A" WTG

S26

DIN Audio

S25

1kHz BPF

S24

+20dB

CCIR/ARM

S23

+20dB

AC

Voltmeter

Distortion

Analyzer

Oscilloscope

R21 10k S15

R20 100 S14

R19 10k S13

R18 100 S12

Notes1. Resistor tolerance

2. Capacitor tolerance

Coupling Capacitor

±5%

∗ : ±1%

±5%

∗ : ±2%

±10%

– 10 –

Share Link: