CXA3038N 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA3038N

IQ Detection IC for Digital Satellite Broadcast Tuner

Sony Semiconductor 

CXA3038N

Pin

Symbol

No.

Typical pin

voltage

9 RFIN2

2.1 V

10 RFIN1

2.1 V

11 RFVCC

5V

12 NSET

1.6 V

13 LOOUT

4V

14 PSVCC

5V

15 OSC2

3.7 V

16 OSC1

3.7 V

17 OSCGND

0V

Equivalent circuit

Description

9

10

5k

5k

2.2V

7

21

12

20

RF signal inputs.

RF circuit (AGCAmp, MIXER,

OSC) VCC.

OSC frequency fine-adjustment.

The oscillator frequency based at

479.5 MHz is adjustable in ±4

steps of 50 kHz by applying a

voltage of 0 to 5 V.

14

13

20

11

16

15

17

Output for OSC frequency signal

divided into 32 frequency divisions.

8k

VCC for 32 frequency division

circuit. This is set to open when

activating the built-in PLL.

700

3p

700

3p

OSC pins.

These pins connect the varicap

diode and coil resonance circuit.

OSC circuit and phase shifter

circuit GND.

—4—

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