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Description

The SFX-300 is the most integrated and cost effective versatile Gap-Filler product family on market. Ready for standards - DVB-T/H,  DAB/T-DMB,  ATSC, FLOTM , DTMB, CMMB, ISDB-T, etc.

Compact product

As  with  all Sky Sat equipments,  the SFX-300 product  consists  of  a  compact  and  powerful  unit. SFX-300 product include, a RF down-converter, a digital processing platform and an up-converter.

High performance digital processing

The SFX-300 engines can retransmit either on  the same frequency (Gap-Filler mode), or on a different channel (Transposer mode). When used in the Gap-Filler mode,  they  exhibit  a  low  transfer  delay  and enables Single  Frequency Network  coverage  to be expanded  efficiently. All  signal  processing  is  done digitally  at  an  intermediate  frequency  level.  An integrated digital echo cancellation algorithm enhances the overall system stability and performances. An additional benefit  is  the embedded digital  shaping filter  which  enhances  performance  to  give  higher frequency  selectivity  (i.e.  higher  robustness  against adjacent channel interference). Simple to use linear and non-linear pre-correction circuits are  incorporated to compensate for output filter and power amplifier characteristics.

Emergent DTV standards

Initially developed for DVB-T/H, the SFX-300 product range now includes new versions for ATSC, FLO, DTMB (for the Chinese market), CMMB and ISDB-T. A  specific  model  is  also  available  for  DAB  and T-DMB  radio  network  applications.  The SFX-300 platform can be easily adapted on-request to operate also at L-Band frequencies.

Key Features

o SFN compliant Gap-Filler
o High frequency selectivity
o Powerful digital echo canceller 
o VHF, UHF supported – Ready for L-Band
o Linear & Non-linear pre-correction circuits