STV6120 datasheet(1/4 Pages) STMICROELECTRONICS

부품명	STV6120

상세설명	8PSK/QPSK low-power 3.3-V dual wide-band satellite tuner IC

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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Data brief

For further information contact your local STMicroelectronics sales office.

November 2011

Doc ID 022527 Rev 1

1/4

4

STV6120

8PSK/QPSK low-power 3.3-V dual wide-band satellite tuner IC

Features

■ Four VLNA inputs

■ On-chip 4:2 matrix

■ Input frequency range 250 MHz to 2150 MHz

■ Two independently programmable tuners

■ RF to baseband direct conversion

■ Single 3.3-V DC supply

■ Fractional N synthesizers

■ Extremely low phase noise, compliant with

DVB-S2 requirements

■ Flexible crystal frequency output to drive the

demodulator IC

■ Continuously variable gain: 0 to 65 dB

■ Additional and programmable gain on

baseband amplifier: 0 to 16 dB

■ Programmable 5- to 36-MHz cut-off frequency

(Butterworth 5th-order baseband filters)

■ Low power consumption

■ Compatible with 5- and 3.3-V I2C bus

Applications

■ Direct broadcasting satellite (DBS)

QPSK/8PSK demodulation

■ Set-top box

Package

■ VFQFPN-56 8 x 8 x 1 mm3 with exposed pad

down (EPD) for heat dissipation

■ ECOPACK®, environmentally friendly package

Description

The STV6120 satellite tuner is a quad-input dual

direct-conversion (zero-IF) wideband satellite

tuner intended for digital set-top boxes and similar

applications.

PLL2

XTAL

RFBin

QP1

I2C Bus Interface

QN1

IN1

IP1

AGC1

SCL

XTAL_IN

SDA

DC offset compensation 2

XTAL_OUT

XTAL_INN

RFCin

VLNA

QN2

IN2

IP2

DC offset compensation 1

PLL1

QP2

RFDin

RFAin

+

Matrix 4:2

AGC2

+dividers1

+ dividers2

Amplifier

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STMicroelectronics	STV6110A	51Kb / 5P	8PSK/QPSK low-power 3.3 V satellite tuner IC 21-Aug-2008
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