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Multi-standard advanced demodulator for satellite digital TV and data services set-top boxes
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STV0903 is a high performance satellite demodulator capable of handling DVB-S, DIRECTVTM legacy and DVBS2 (QPSK and 8PSK) constant coding and modulation signals for satellite broadcast.

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Errata Sheet
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Data Brief

Key Features

  • Demodulation
  • DVBS2 QPSK and 8PSK
  • Digital Nyquist root filter with 0.20, 0.25, 0.35 excess bandwidth factors
  • Decoding
  • Up to 95 mega channel bits per second (Mcbps) at input to DVBS2 FEC
  • Up to 130 Mcbps DVBS or DIRECTVTM at input to legacy FEC
  • Interfaces
  • Dedicated 27 MHz clock generation for back-end decoder
  • I2C serial bus interface
  • JTAG interface - boundary scan
  • DiSEqCTM 2.x interface
  • GPIOs and interrupt lines
  • Monitoring through I2C serial interface
  • FSK modem
  • Technology
  • 90 nm CMOS process
  • Power saving features
  • Package
  • LQFP-128-EP 14x14, 0.4 mm pitch, RoHS.

Circuit Diagram

Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB0650: Multi-standard advanced demodulator for satellite digital TV and data services set-top boxes
1.2 55 KB

Publications and Collaterals


Description Version Size
STV0903 - Advanced demodulator for satellite digital-TV set-top boxes
1.0.0 158 KB

Sample & Buy

Part Number Marketing StatusPackagePacking TypeOrder From STUnit Price (US$)*
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STV0903BABActiveLQFP-EP 128 14x14x1.4Tray-Distributor reported inventory date: 2016-02-28
Distributor NameRegionStockMin. order

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.