DVB-S2 Compliant LDPC/BCH Forward Error Correction IC 

The AHA4720 FEC IC is fully compliant with section 5.3 of the Digital Video Broadcast S2 (DVB-S2) standard.  It is capable of 200 Mbit/sec user data rate with a 2/3 rate LDPC Code and 25 iterations.  The device supports all codes, frame sizes, and interleave schemes set forth in the DVBS2 specification for broadcast, interactive, digital satellite news gathering, and professional services.  The device allows code and modulation changes on a block-by-block basis to fully support both Adaptive Coding and Modulation (ACM) and Variable Coding and Modulation (VCM).


  • DVB-S2 compliant
  • LDPC inner code and BCH outer code
  • 16K and 64K block sizes supported
  • 1/4 through 9/10 code rates supported
  • Full ACM and VCM compliance
  • Code change on the fly
  • Auto Iteration Mode
Product Briefs

Product Specifications
AHA4720 Specification - DVB-S2 FEC Encoder/Decoder IC

Evaluation Tools
LDPC Evaluation Software - Linux
LDPC Evaluation Software - Windows



Data Compression

Forward Error Correction

Encryption and Hashing

Regular Expression Search

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