CX24130

www.DataSheet4U.com Digital Set-top Box Solutions Satellite Dual Stream QPSK/BPSK Demodulator lC CX24130 High-Performance, Low-Power Broadband Satellite Dual Independent Front-End Solution Conexant’s CX24130 is the industry’s first single-chip dual-stream QPSK/ BPSK demodulator designed for satellite receiver systems. The device is ideal for applications such as personal video recorders (PVRs) that process dual incoming video streams to simultaneously play and record two different television programs. Other applications include digital video broadcasting/digital satellite system (DVB/DSS) set-top and PC receivers, and residential gateways. In addition, when combined with the CX24108 Satellite Tuner RF ICs, the CX24130 provides a complete dual broadband satellite front-end solution capable of operating from 10 to 30 Msps. With the CX24130, Conexant has significantly reduced product size and component requirements by replacing two 100-pin demodulators with one 80-pin IC. Key features include superior bit error rate (BER) performance, low power dissipation, and small form factor. The device is compliant with DVB (ETS 300-421) and DSS specifications for satellite transmission, and provides digital derotation, digital filtering, equalization and Viterbi/ReedSolomon forward error correction (FEC). A variety of advanced features enhance overall system performance, including automatic correction for external quadrature gain/phase imbalances and DC offsets, and automatic gain contro...