CXA2542 Просмотр технического описания (PDF) - Sony Semiconductor

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производитель

CXA2542

RF Signal Processing Servo Amplifier for CD Player

Sony Semiconductor 

CXA2542AQ

Pin

No.

Symbol

I/O

26 CC2

I

Equivalent circuit

75k

147

39k

26

43k

Description

Input for the RF summing amplifier

output with capacitance coupled.

28 CB

I

147

28

7.6k

240k

Connects the defect bottom hold

capacitor.

29 CP

29

I

100k

Connects the MIRR hold capacitor.

1.5k MIRR comparator non-inverted

input.

30 RF_I

I

31 RF_O

O

147

30

32 RF_M

27 CC1

147

31

I

27

147

O

Input for the RF summing amplifier

output with capacitance coupled.

RF summing amplifier output. Eye-

pattern check point.

147

10k 10k

RF summing amplifier inverted

32 input.

The RF amplifier gain is determined

by the resistance connected

between this pin and RFO pin.

RF summing amplifier output.

Used for the defect capacitance

coupling.

147

50µ

33 RFTC

I

33

50µ

10µ

–6–

External time constant setting pin

during RF level control.

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