CX24109-11 datasheet(11/40 Pages) NXP

No de pièce	CX24109-11

Description	Digital Satellite Tuner

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Fabricant	NXP [NXP Semiconductors]

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CX24109_N_1

Product data sheet

Rev. 01 — 13 November 2008

11

CX24109

Chapter 1: Functional Description

Rev. 01 — 13 November 2008

Product data sheet

1.1

Pinout Information

1.2

Pin Description

Figure 1.

CX24109 Pin Diagram

Table 1.

Pin Description

Pin Name

Pin No.

I/O

Description

RFIN

4

I

RF input signal pin.

AGC

37

I

AGC control input from the demodulator/FEC IC. It controls the gain of the RF attenuator

and both baseband amplifiers. Minimum gain occurs at minimum voltage. Input impedance

zin = 1 M

Ω//20 pF..

FILTUNE

36

I

Baseband filter control input from the demodulator/FEC IC.

Minimum BW occurs at minimum voltage. Zin = 17 k

Ω//20 pF.

102031_002

VCC

GND

RFIN

RFGND

GND

DCIP

DCIN

DCQP

DCQN

TUNERES

36

35

34

33

32

31

30

29

28

27

26

25

FILTUNE

IOUTN

IOUTP

GND

QOUTN

QOUTP

GND

VCC

CLK

DATA

EN

LD

1

2

3

4

5

6

7

8

9

10

11

12

CX24109

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