Datasheet > STV6120

STV6120

更新时间： 2024-09-29 11:59:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
4页	59K
描述
8PSK/QPSK low-power 3.3-V dual wide-band satellite tuner IC

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STV6120 数据手册

STV6120

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

Data brief

■ Low power consumption

Features

■ Compatible with 5- and 3.3-V I C bus

■ Four VLNA inputs

■ On-chip 4:2 matrix

Applications

■ Input frequency range 250 MHz to 2150 MHz

■ Two independently programmable tuners

■ RF to baseband direct conversion

■ Single 3.3-V DC supply

■ Direct broadcasting satellite (DBS)

QPSK/8PSK demodulation

■ Set-top box

Package

■ Fractional N synthesizers

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

■ Extremely low phase noise, compliant with

down (EPD) for heat dissipation

DVB-S2 requirements

■ ECOPACK , environmentally friendly package

■ Flexible crystal frequency output to drive the

demodulator IC

Description

■ Continuously variable gain: 0 to 65 dB

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.

■ Additional and programmable gain on

baseband amplifier: 0 to 16 dB

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

(Butterworth 5th-order baseband filters)

PLL1

+dividers1

DC offset compensation 1

RFAin

QP1

QN1

RFBin

IN1

IP1

VLNA

Matrix 4:2

RFCin

QP2

QN2

RFDin

IN2

IP2

PLL2

+ dividers2

DC offset compensation 2

AGC1 AGC2

XTAL

XTAL_IN

SCL

I²C Bus Interface

XTAL_INN

XTAL_OUT

Amplifier

SDA

November 2011

Doc ID 022527 Rev 1

1/4

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3 4

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