CXA2557 Просмотр технического описания (PDF) - Sony Semiconductor

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CXA2557

RF Amplifier for CD Player/CD-ROM

Sony Semiconductor 

CXA2557R

Pin

No.

Symbol

I/O

8E

I

9F

I

10 TE 1

O

Equivalent circuit

124

8

124

9

124

VCA RW

10

20k

124

11 AL IN

I

11

20k

9k

40k

6.2k

13.3k

Description

Tracking error amplifier inputs.

Tracking error amplifier inverted

output.

Alignment amplifier input.

12 AL

O

15k

15k

7.5k

124

12

Alignment amplifier non-inverted

output.

13 AL 1

O

45k

124

Alignment amplifier inverted

34k

13

output.

14 CE IN

I

15 CE 1

O

16 CE

O

124

14

20k

124

15

124

16

Center error amplifier input.

Center error amplifier inverted

output.

Center error drive amplifier

inverted output.

–5–

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