CXA3018R 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA3018R

Demodulator for Satellite Receivers

Sony Semiconductor 

CXA3018R

Pin Description

Pin

Symbol

No.

Typical pin voltage

DC

AC

Equivalent circuit

Description

AFT

1

UP

4.9 V

or

0.1 V

AFT

2

DOWN

12

VCC2

30k

30k

GND2

AFT block digital output pins.

1.3 V

3 ANA2

to

3.2 V

4 ANA1 3.1 V

2k

VCC2 AFT block filter pin. Connect to

Pin 4 with a 47 kΩ resistor and

200 75k

4

200

to GND with a 10 µF capacitor.

3

2.5V

AFT block reference output pin.

GND2

VCC2

5 KEYED-IN 0.3V

150

5

30k

4k

GND2

AFT block keyed input pin.

3.0 V

6

SH2

to

3.5 V

3.0 V

7

SH1

to

3.5 V

2k

67

12k

2k

200

VCC2

AFT block sample-and-hold

signal output pins.

Connect to GND with a 0.1 µF

capacitor.

GND2

VCC2

12k

–50

8

CNIN

2.1V

to

–20

dBm

150

8

20k

2.2V

2k

20k

C/N detection block signal input

pin.

GND2

1.6 V

9 CNCONT to

4.4 V

9

20k 8k

150

5.7k

8k

VCC2

3V

C/N detection block gain

adjustment pin.

GND2

—3—

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