Product Summary

The BCM4500KQM brings a new level of performance to the satellite television industry with the introduction of an integrated advanced modulation receiver and turbo FEC decoder. This breakthrough design of the BCM4500KQM provides 50% more throughput in the same satellite bandwidth at standard QPSK operating points while simultaneously improving BER performance beyond existing levels. A high performance turbo FEC code of the BCM4500KQM is implemented with all required on-chip RAM to move system operating points near the theoretical capacity limits. A Reed-Solomon outer code is also used to drive the BER beyond typical satellite 10E-11 limits. The BCM4500KQM is a single-chip digital satellite receiver supporting BPSK, QPSK, 8PSK and 16QAM modulations with iteratively (turbo) decoded error correction coding. It represents an industry milestone in terms of satellite system throughput and operating points. The BCM4500KQM also receives DVB, DIRECTV and DigicipherTM II (DCII), QPSK signals to support legacy system operation.

Features

BCM4500KQM features: (1)All-digital satellite receiver; (2)Advanced modulation turbo FEC decoder; (3)Complies with DVB/DIRECTVDigicipher IITM FEC decoder; (4)MPEG-2 or DIRECTVoutput interface with output clock PLL; (5)On-chip microcontroller for acquisition and tracking; (6)On-chip BERT for BER testing; (7)Integrated DiSEqCTM (v2.0) transmitter and receiver; (8)128-pin PQFP; (9)3.3V I/O and analog operation; (10)1.8V digital operation.

Diagrams

BCM4500KQM block diagram

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