CXA3038N Ver la hoja de datos (PDF) - Sony Semiconductor

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Fabricante

CXA3038N

IQ Detection IC for Digital Satellite Broadcast Tuner

Sony Semiconductor 

Pin Description

Pin

Symbol

No.

1

IQVCC

Typical pin

voltage

5V

2 QOUT

2.7 V

Equivalent circuit

1

20

2

5

Open or 5 V

when using

3 XCONT 4 MHz crystal ;

21

10k

90k

3

0 V when using

10 MHz crystal.

20

4

IOUT

2.7 V

1

20

4

5 IQGND

0V

6

GND

0V

7 RFGND

0V

5

11

8

AGC

0 to 4 V

20k

8

20k

7

—3—

CXA3038N

Description

IQ output circuit VCC.

Q output.

Switching pin for reference divider

frequency-division ratio.

This is set to 80 frequency

divisions when open or connected

to VCC; 200 frequency divisions

when connected to GND.

I output.

IQ output circuit GND.

GND.

RF circuit (AGCAmp, MIXER)

GND.

AGCAmp gain adjustment.

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