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Spectrum Restorer

Regenerative ATSC gap filler/on-channel repeater (EDOCR) with SFN capability

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Best of Show 2016: Spectrum Restorer
OVERVIEW

GatesAir’s Spectrum Restorer is an advanced, regenerative gap filler/on-channel repeater (Equalized Digital On-Channel Repeater, or EDOCR), providing highly effective echo cancellation and SFN capability.

The truly innovative design enables the Spectrum Restorer to demodulate, error-correct and re-modulate incoming signals with minimal processing delay.

As well as preserving proper SFN synchronization, the Spectrum Restorer features excellent output MER, regardless of the input signal MER, thanks to its high-speed regenerative processing. This ensures the utmost flexibility in network design as well as optimum signal quality at any receive location – which may be served by a main transmitter or a remote EDOCR. The Spectrum Restorer features input sensitivity to -72dBm and effective Echo cancellation up to 40 dB.

Main Features of Spectrum Restorer

  • Compact 1RU 19” rack chassis
  • Excellent adjacent channel rejection
  • Low multi-hop noise/error accumulation due to use of an equalizer with short Viterbi correction slicer
  • Input sensitivity to -72dBm and echo/signal ratio up to 12dB over the main signal
  • 4μs pre-equalizer and 36μs post-equalization for reduction of multipath and adjacent channel interference (ACI)
  • Total latency ~24us with Linear precorrection and pre-equalization, otherwise ~16μs
  • Optional internal demodulator with equalizer for regenerative transposers
  • Linear adaptive precorrection utilizing a 96 tap Adaptive Direct Learning FIR
  • Non-linear adaptive precorrection with memory-effect compensation for Doherty high-efficiency PAs
  • Includes SNMP, Web Interface and Touch Screen display

Main Features of Spectrum Restorer

  • Compact 1RU 19” rack chassis
  • Excellent adjacent channel rejection
  • Low multi-hop noise/error accumulation due to use of an equalizer with short Viterbi correction slicer
  • Input sensitivity to -72dBm and echo/signal ratio up to 12dB over the main signal
  • 4μs pre-equalizer and 36μs post-equalization for reduction of multipath and adjacent channel interference (ACI)
  • Total latency ~24us with

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Product Literature

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Video

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Press and Accolades

Awards

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Press and Accolades

Awards

PRODUCTS SOLUTIONS SERVICES MEDIA CENTER COMPANY