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Blonder Tongue QTM-HD QAM Transcoder Module - High Definition

    Blonder Tongue QTM-HD QAM Transcoder Module - High Definition

    Item #: BT-QTM-HD   •   MFG #: QTM-HD


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    The QAM Transcoder Series from Blonder Tongue features a state-of-the-art approach and offers the ultimate combination of a fantastic price per channel while still maintaining top notch performance and functionality. It incorporates a scalable modular design that allows from one to eight transcoder module units as well as a single combination power supply & control module to be added, removed or swapped at any time in the 3 rack high chassis. The QT Series transcoder modules are compatible with DVB satellite signals (ITU-T J.83 Annex A) from EchoStar's DISH Network & Bell Canada's ExpressVu as well as DigiCipher II satellite signals (ITU-T J.83 Annex B) from Comcast Media Center's and Shaw Broadcast Service's HITS QT and QT Plus programs. Several module types are available to permit the reception of QPSK based signals for SD (standard definition) and 8PSK based signals for HD (high definition) as well as Null Packet processing required for various transponders. The modules are housed in a custom designed chassis intended to accommodate from one to eight different modules as well as specially designed chassis mountable splitters and combiners to make wiring simple and painless. Control of the transcoder units is easily accomplished with a common power supply & control unit via operator selection from the front panel push button controls and back-lit LCD panel. This module interfaces to any of the QAM transcoder modules through a simple 12-pin connector and cable. The control module's brain is a flash upgradeable microprocessor to ensure support for any future development. Support for redundant back-up or `standby' power is also built into every QT power & control module. This is easily added at any time for an operator by interfacing to the optional standby power supply unit. Plus, the optional Headend Web Server provides the ability to remotely control and monitor any of the transcoder modules over the Internet - this makes turning off a problem unit and reprogramming a live spare a quick fix preventing an immediate truck roll.

    • Features

      • Modular Design Allows One to Eight Transcoder Modules in aChassis Utilizing 3 Rack Spaces
      • Fully Agile Output Frequency Range of 54-860 MHz
      • Back-Lit LCD Display Panel with Front Panel Accessible PushButton Controls Provides Access to All Vital Unit Information andMakes Set-Up and Troubleshooting A Breeze
      • Design Modularity Provides the Ability to Field Replace AnyModule in the Unlikely Event of a Failure
      • Off-Site Remote Operation and Control Including Digital Adjustmentof the QAM RF Output Level with High Performance QCentralComputer Software or over the Internet with Headend Web Server
      • Optional Redundant/Standby Power Support Capability Built into Every Unit
      • QTM-HD Module Available for Support of High DefinitionProgramming Using 8PSK Modulation
      • QTM-HD Plus Module available for support of High Definitionprogramming using 8PSK and 512 or 1024 QAM
      • QTM-HD-NPU Module available for support of High Definitionprogramming using 8PSK, 256 QAM and requiring nullpacket processing
    • Specifications

      • Input Frequency Range: Agile 950-2150 MHz
      • Bandwidth: up to 36 MHz
      • Frequency Step: 1 MHz
      • Capture Range: ±5 MHz
      • Input Level Range: -65 to -20 dBm
      • RF Input Impedance: 75 Ω
      • Return loss: 8 dB min.
      • FEC Decoding: DVB/DigiCipher II
      • Symbol Rate: 2 to 45 Msps
      • Code Rate: Viterbi Auto Recognition
      • I - Q Format: Normal / Inverted