CXA1202R 查看數據表（PDF） - Sony Semiconductor

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CXA1202R

REC/PB Amplifier for VCR

Sony Semiconductor 

CXA1202Q-Z/CXA1202R

Pin Description

No. Symbol

Voltage

I/O

DC

AC resistance

Equivalent circuit

VCC

Description

1

1

RP PB EN

(Open:

"L")

—

40kΩ

40k

20k

GND

Power-save recording at Low.

High: over 3V

Low: under 1V

VCC

2 C IN

2

3.2V

134

mVp-p

20kΩ

20k 100

Input pin for Chroma signal.

3 VREG

4.2V —

3

—

GND

VCC

24k

Output pin for VREG 4.2V.

35k

Decoupling with capacitance.

4 AFM IN

3.2V

80

mVp-p

20kΩ

GND

Same as for Pin No. 2 Input pin for AFM signal.

VCC

150

5 VG

6 Y IN

7 Vcc

8

PCM RF

OUT

2.5V —

—

3.2V

250

mVp-p

20kΩ

5

2.5k

GND

Same as for Pin No. 2

5.0V —

—

—

VCC

440

50 to Emitter

1.8V 500 follower

8

mVp-p (IE = 1mA)

1mA

GND

Output pin for virtual GND.

Decoupling with capacitance.

Input pin for Y signal.

Supply pin for circuits other than

REC AMP and Head AMP.

Output pin for PB PCM signal.

–3–

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