STV6111 datasheet(1/4 Pages) STMICROELECTRONICS

Part #	STV6111

Description	8PSK/QPSK low-power 3.3-V satellite tuner IC

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Data brief

For further information contact your local STMicroelectronics sales office.

November 2011

Doc ID 022528 Rev 1

1/4

4

STV6111

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

Features

■ RF-to-baseband direct conversion architecture

■ Single 3.3-V DC supply, low consumption

■ Outstanding performance in heavily loaded

spectrum conditions

■ Input frequency range: 950 to 2150 MHz

■ Supports 1 to 60 Msymb/s using internal filter

■ RF-AGC or channel-AGC support

■ Extremely low-phase noise, compliant with

DVB-S2 requirements using fractional-N

synthesizer

■ Low external component count

■ Flexible crystal frequency output to drive the

demodulator and/or other tuner ICs

■ Continuously variable gain

■ Programmable 6 to 50 MHz cut-off frequency

(Butterworth 5th-order baseband filters)

■ Specific operating mode for symbol rates up to

220 Msymb/s

■ Compatible with 5-V and 3.3-V I2C bus

Applications

■ Direct broadcasting satellite (DBS), satellite

modems: BPSK, QPSK, 8PSK, 16/32 APSK

modulations

■ Set-top boxes, PCTV and iDTV

■ Outdoor units

Package

■ VFQFPN-32 5 x 5 x 1 mm3 with exposed pad

■ ECOPACK®, RoHS (2002/95/EC) compliant

Description

The STV6111 satellite tuner is a direct-conversion

(zero IF) receiver for digital TV broadcasting.

AGC control

RF receiver

Mixers

LO dividers

VCO

PLL

External

filter

I²C

Clock management

XTAL_OUT

SCL

SDA

RF_INP

AGC

QP

RF_INN

LNA

QN

IN

IP

DC offset correction

VGA1

VGA2

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