Multi-standard advanced dual demodulator for satellite digital TV and data services set-top boxes

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  • The STV0900 features a high speed DVB-S2 Forward Error Corrector (FEC) which is designed to handle up to 180 Mega Channel bits per second at its input. To feed the FEC the STV0900 implements two identical demodulators, each capable of handling QPSK legacy, DVBS2 constant coding and modulation for satellite broadcast and Advanced Coding and Modulation for interactive services. The STV0900 supports mode switching on a frame basis without synchronization or data loss.

    主な特徴

    • PackageExposed PAD LQFP 128 14x14, 0.4 pitch4 layer PCB recommended.
    • DemodulationRF interfacesEach demodultor can handle:DIRECTVTM and DVBS QPSKDVBS2 QPSK, 8PSK and 16APSKDigital Nyquist root filterWith 0.20, 0.25, 0.35 excess bandwidth factors.DVBS or DIRECTVTMDVBS2 broadcasting (CCM)DVBS2 adaptative (ACM)
    • Transport stream managementDual data to MPEG decoderSingle ACM data to microprocessorDVB-S2 framing
    • Dual decodingUp to 180 Mega DVBS2 channel bits per second (Mcbps) at input to FECUp to 130 Mcbps DVBS or DIRECTVTM legacy per FECLegacy DVB-SDVB-S2
    • Technology90 nm CMOS processMulti supply: 1.0 V core, 2.5 V analog, 3.3 V digital interfacesPower saving features
    • InterfacesDedicated 27 MHz clock generation for back-end decoderI2C serial bus interfaceJTAG interface - boundary scan2 DiSEqCTM 2.x interfacesGPIOs and interrupt linesMonitoring through I2C serial interface

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技術文書

    • Description バージョン サイズ アクション
      DB0364
      Multistandard advanced dual demodulator for Satellite Digital TV and Data services set-top boxes
      1.2
      65.37 KB
      PDF
      DB0364

      Multistandard advanced dual demodulator for Satellite Digital TV and Data services set-top boxes