CXA2020S datasheet(10/18 Pages) SONY

Part #	CXA2020S

Description	EIAJ Sound Multiplexing Decoder

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Manufacturer	SONY [Sony Corporation]

Direct Link	http://www.sony.co.jp

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CXA2020M/S

22

23

24

25

26

27

Cross talk

SUB

→ MAIN

Cross talk

MAIN

→ SUB

BOTH mode

Cross talk

SUB

→ MAIN

BOTH mode

Residual

carrier

SUB

Residual

carrier

MAIN

Mute volume

MAIN

Csm1

Cms2

Csm2

Lcs

Lcm

Mm

2

3

4

1

3

2

1

4

Input signal: SIG2

Calculate the level

difference between the

output amplitude of Pins

20 and 21 (16 and 17)

(Vsm1) and the

measured value (Vs2)

in measurement No. 3.

Csm1 = 20log

(dB)

(15kLPF, 1kBPF)

Input signal: SIG15

Calculate the level

difference between the

output amplitude of

Pin 20 (16) (Vms2) and

the output amplitude of

Pin 21 (17) (Vms3).

Cms2 = 20log

(dB)

(15kLPF, 1kBPF)

Input signal: SIG2

Calculate the level

difference between the

output amplitude of

Pin 21 (17) (Vsm2) and

the output amplitude of

Pin 20 (16) (Vsm3).

Csm2 = 20log

(dB)

(15kLPF, 1kBPF)

Input signal: SIG11

Measure subcarrier

component amplitude

of the output of Pins 20

and 21 (16 and 17).

Input signal: SIG11

Measure the subcarrier

component amplitude

of the output of Pins 20

and 21 (16 and 17).

Input signal: SIG7

Calculate the level

difference between the

output amplitude of Pins

20 and 21 (16 and 17)

(VMm) and the

measured value (Vm3)

in measurement No. 13.

Mm = 20log

(dB)

(15kLPF, 1kBPF)

Pins

20 and 21

(16 and

17)

Pins

20 and 21

(16 and

17)

Pins

20 and 21

(16 and

17)

Pins

20 and 21

(16 and

17)

Pins

20 and 21

(16 and

17)

Pins

20 and 21

(16 and

17)

60

55

60

—

70

58

70

10

12

80

—

30

20

—

dB

mVrms

dB

Vs2

Vsm1

Vms3

Vms2

Vsm3

Vsm2

Vm3

VMm

No.

Item

Symbol

SW

condi-

tions

Bias

condi-

tions

Conditions

Measure-

ment

point

Min.

Typ.

Max.

Unit

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