STV6111 Ver la hoja de datos (PDF) - STMicroelectronics
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STV6111 Datasheet PDF : 4 Pages
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STV6111
8PSK/QPSK low-power 3.3-V satellite tuner IC
Data brief
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.
XTAL_OUT
SCL
SDA
Clock management
I²C
RF_INP
RF_INN
AGC
LNA
AGC control
PLL
LO dividers
VCO
External
filter
Mixers
VGA1
QP
VGA2
QN
DC offset correction
VGA1
VGA2
IN
IP
RF receiver
November 2011
Doc ID 022528 Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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