CXA1202R 查看數據表（PDF） - Sony Semiconductor

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CXA1202R

REC/PB Amplifier for VCR

Sony Semiconductor 

CXA1202Q-Z/CXA1202R

No. Symbol

16 RF OUT

17 Vcc EF

Voltage

I/O

DC

AC resistance

2.5V

400

mVp-p

Emitter

follower

(IE =

500µA)

5.0V —

—

Equivalent circuit

VCC

200

16

500µA

GND

VCC

17

200

Description

Output pin of signal selected by

HCHG from RF IN A and RF IN B.

Supply pin for emitter followers of

AGC OUT, DOC TC and RF OUT.

GND

VCC

18 DOC IN

2.5V

400

mVp-p

8kΩ

150

18

8k

2.5V

Input pin for dropout detection.

GND

19 GND PB

0V

—

—

—

20 V RF OUT

1.8V

50 to

500

mVp-p

Emitter

follower

(IE =

500µA)

20

VCC

400

500µA

GND

21 GND 1CH 0V

—

—

—

22 MULTI

23 MT1

—

(OPEN: —

"L")

—

(2.5V

at

OPEN

—

of pin)

40kΩ

Same as for Pin No. 1

100kΩ

47k

23

VCC

25k

53k

5

GND

GND pin for medium range

frequency compensation circuit,

RF AGC and DOC DET.

Output pin for PB VIDEO signal.

GND pin for CH1 REC AMP and

CH1 Head AMP.

Multi-channel PCM REC mode at

High.

Boost level adjusting pin for CH1

medium range frequency

compensation circuit.

Variable between 0 and +12dB at

4.2 to 0.8V.

–5–

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