Si2168-D DVB-T2/T/C Digital Demodulator

Si2168-D solutions integrate DVB-T2, DVB-T and DVB-C digital demodulators into a single advanced CMOS technology mixed-signal die for new generation terrestrial and cable TV standards. Leveraging our proven digital demodulation architecture, Si2168-D devices achieve excellent reception performance for each media while significantly minimizing front-end design complexity, cost and power dissipation. Connecting Si2168-D to a terrestrial and cable hybrid TV tuner, such as Si2177 and Si2151 devices, results in a high-performance and cost optimized TV front-end solution.

Si2168-D demodulators accept a standard IF (36 MHz) or low-IF input for terrestrial and cable standards. The main features of the DVB-T2 and T2-Lite modes are 256 QAM with rotated constellations, SISO and MISO support, FEF management, fully autonomous signal acquisition including automatic L1 signaling parsing, scrambling of L1 postsignaling, 600 kHz acquisition range, support for all pilot patterns and DVB-T2/T auto-detection. Si2168-C devices offer an on-chip blind scanning algorithm for DVB-C standard and a blind lock subset mode. The Si2168-C programmable transport stream interface provides a flexible range of output modes and is fully compatible with all MPEG decoders or conditional access modules to support any application.

Package
7x7 mm
Pin compatible and API compatible
Single demodulator

Si2168 Common Specs

  • DVB-T2 and T2-Lite (ETSI EN 302 755-V1.3.1)
    • COFDM demodulator and FEC (LDPC + BCH)decoder
    • Bandwidth: 1.7, 5, 6, 7 or 8 MHz (and extended BW)
    • Supports up to 255 PLPs and outputs the data PLP plus the common PLP (on a single TS)
    • Scrambling of L1 post-signaling supported
    • NorDig Unified 2.4, D-Book 7 V3 compliant
    • Firmware control (loaded in ROM)
  • DVB-T (ETSI EN 300 744)
    • COFDM demodulator and enhanced FEC decoder
    • NorDig Unified 2.4, D-Book 7 V3 compliant
  • DVB-C (ETSI EN 300 429) / ITU-T J.83 Annex A/B/C
    • QAM demodulator and FEC decoder
    • 1 to 7.2 M Symbol(s)
    • C-Book compliant
  • I2C serial bus interfaces (Master and Host)
  • GPIOs and multi-purpose ports for independent AGCs (up to 4) to control satellite and T/C tuners
  • Firmware control for upgradeability
  • Flexible TS interface with serial or parallel single output
  • Fast lock times for all media
  • Only two power supplies: 1.2 and 3.3 V
  • Pin-to-pin compatible with all Si216x/8x single demods family
  • API compatible with all single and dual demods families
  • 7x7 mm, QFN-48 pin package, Pb-free/RoHS compliant
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DVB-T2/T/C Digital Demodulator QFN48 7x7

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