CXA2557 Ver la hoja de datos (PDF) - Sony Semiconductor

Número de pieza

componentes Descripción

Fabricante

CXA2557

RF Amplifier for CD Player/CD-ROM

Sony Semiconductor 

CXA2557R

Pin

No.

Symbol

I/O

17 TE

O

VCA

18 TE BIAS I

Equivalent circuit

Description

40k

50k

200k

124

17

Tracking error amplifier non-

inverted output.

18

Tracking error amplifier bias

adjustment.

19 FE BIAS I

20 FE

O

Focus error amplifier bias

300k

VCA

300k

124

adjustment.

20

107k

375k

Focus error amplifier non-

19

inverted output.

21

PBH

CNT

I

50k

21

Mirror circuit peak hold and

bottom hold time constant

setting input.

22 BC C

I

23 PH C

I

Connects the capacitor that

500

22

sets mirror circuit bottom hold

40k

20k

time constant.

40k

500

Connects the capacitor that sets

23

mirror circuit peak hold time

constant.

24

MIRR

BIAS

I

20k

35k

24

3k

50k

20k

2.7k

Mirror circuit bias adjustment.

–6–

Share Link: