CXA1518S Просмотр технического описания (PDF) - Sony Semiconductor

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производитель

CXA1518S

EIAJ Sound Multiplexing Decoder

Sony Semiconductor 

CXA1518Q/S

SW

Bias

No.

Item

Symbol

conditions conditions

Conditions

Test point

SDIP QFP

Min. Typ. Max. Unit

DC offset

30

Stereo L ch

Ostl

3

Input signal: SIG18

2

Measures output DC level

and

Pin 17 Pin 20 —

fluctuation at Pin 17 under

4

bias conditions 2 and 4.

20 100 mV

DC offset

31

Stereo R ch

Ostr

3

Input signal: SIG18

2

Measures output DC level

and

Pin 16 Pin 18 —

fluctuation at Pin 16 under

4

bias conditions 2 and 4.

20 100 mV

DC offset

32

Main out

Om

3

Input signal: No input

2

Measures output DC level

and

Pin 15 Pin 17 —

fluctuation at Pin 15 under

4

bias conditions 2 and 4.

20 100 mV

Input signal: SIG12

Cue detector

33

CD

4

sensitivity

Varying SIG12, measures

2 attenuation while switching

—

—

8

11 17 dB

from monaural to sound

multiplexing mode.

Input signal: SIG13

Sub detector

34

SD

4

sensitivity

Varying SIG13, measures

2 attenuation while switching

—

—

9

12 17 dB

from monaural to sound

multiplexing mode.

Input signal: SIG14

35 Cue BPF gain

CG

5

2 Measures output amplitude Pin 17 Pin 20 125 190 290 mVrms

at Pin 17

Input signal: SIG16 and

SIG17

Measuring output amplitude

at Pin 22, measure the

output signal level difference

4.5 fH trap

36

TG

6

attenuation level

when inputting SIG16 and

2

Pin 22 Pin 28 20 35 — dB

when inputting SIG17.

TG=

measured value

for SIG16 (mVrms)

20 log

measured value

for SIG17 (mVrms)

—11—

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