flstv61110212

Low-power
satellite tuner
STMicroelectronics
STV6111 direct-conversion tuner compliant with worldwide
satellite broadcasts
The digital set-top box and PVR
market continually demands everdecreasing costs -- both through
the bill of materials for the final
consumer product and the costs
of designing that product.
Key features
To help meet this demand, ST has
created the STV6111 satellite tuner
IC for digital satellite TV broadcast
applications. This device is a
highly-integrated, low-cost, lowpower satellite silicon tuner with a
high specification that ensures it
meets the requirements of today’s
satellite broadcast formats;
DVB-S, DVB-S2, ISDB-S, ABS-S
and others.
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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
Specific operating mode for symbol
rate up to 220 Msymb/s
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)
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Compatible with 5-V and 3.3-V I2C
bus
Key performance figures
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Noise figure at max. gain: 8.5 dB
(max.)
Best-in-class linearity:
 IIP3 = +9 dBm (min.)
 IIP2 = +27 dBm (min.)
Low-phase noise:
 0.5 °RMS (typ.) over 1 kHz to 1
MHz band
Wide operating temperature range:
-40 to 85 °C
Targeted applications
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Direct broadcasting satellite (DBS),
satellite
modems: BPSK, QPSK, 8PSK,
16/32 APSK modulations
Set-top box, PCTV and iDTV
Outdoor units
www.st.com/homevideo
The STV6111 is controlled by an I2C interface and has been designed to minimize the external bill of materials to reduce
manufacturing costs and to simplify the board layout. The reduced component count ensures greater system reliability leading
to increased consumer satisfaction.
When used together, the STV6111 and ST’s successful demodulator and MPEG decoder ICs (such as the STV0903/STV0913
and the STi5xxx/STi7xxx/STiHxxx families) combine to form highly cost-effective complete satellite solutions.
Application diagram
STV6111
Satellite demodulator
2
2
I(t)
Q(t)
AGC
I²C
Clock
Data
Reference design
A full range of evaluation boards are
available for the STV6111.
For faster time-to-market for satellite
platforms, ST provides a wide range
of STV6111-based example designs,
ranging from small form-factor NIM
reference designs - including industryleading DVB-S/S2 demodulators
(STV0903/STV0913) - to complete settop box ready-to-industrialize designs.
Complete design packages, including
schematics, layout and detailed RF
recommendations, are available upon
request.
The STV6111 is fully supported by
software drivers supplied as part of
ST’s STAPI driver suite.
© STMicroelectronics - February 2012 - Printed in United Kingdom - All rights reserved
The STMicroelectronics corporate logo is a registered trademark of the STMicroelectronics group of companies
All other names are the property of their respective owners
Order code: FLSTV61110212
For more information on ST products and solutions, visit www.st.com