CXA2542Q Просмотр технического описания (PDF) - Sony Semiconductor

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производитель

CXA2542Q

RF Signal Processing Servo Amplifier for CD Player

Sony Semiconductor 

CXA2542Q

Pin

No.

Symbol

I/O

Equivalent circuit

26 CC2

27 CC1

I

147

28

O

147

27

Description

Input for the defect bottom hold

output with capacitance coupled.

Defect bottom hold output.

Connected internally to the

interruption comparator input.

28 CB

120k

I

11k

147

26

Connects the defect bottom hold

43k

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

147

31

I

Input for the RF summing amplifier

output with capacitance coupled.

RF summing amplifier output. Eye-

pattern check point.

147

10k 10k

32 RF summing amplifier inverted

input.

The RF amplifier gain is determined

by the resistance connected

between this pin and RFO pin.

147

50µ

33 RFTC

I

33

50µ

10µ

–6–

External time constant setting pin

during RF level control.

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