Datasheet Summary
.. tech aha corporation PRODUCT BRIEF
- AHA4540B
155 MBITS/SEC TURBO PRODUCT CODE ENCODER/DECODER
The AHA4540 device is a single-chip Turbo Product Code (TPC) Forward Error Correction (FEC) Encoder/Decoder capable of 155 Mbit/sec (OC-3) data rates (up to 200 Mbit/sec channel rates). This device integrates both a TPC encoder and decoder, and can be operated in a full duplex mode. In addition to TPC coding, support is included for helical interleaving, synchronization mark insertion and detection, CRC putation, scrambling, and higher order modulation symbol mapping. Figure 1 shows the functional block diagram. The channel interface supports direct connection to...