CX24121 - Conexant Systems

CX24121 (CX24121 / CX24109) DBS Demodulator And Fec Decoder

Digital Satellite Tuner and Demodulator om www.DataSheet4U.com CX24109 • DVB/DSS – compliant • Single-chip RF-to-baseband satellite receiver • Zero-IF architecture eliminates the need for image-reject filtering • Variable baseband filters for optimal interference rejection • Integrated LNA and LO with onboard VCO and synthesizer • Single +5V supply • 48-p.

Features

w w CX24121 The CX24121 is the ideal solution for a wide variety of applications in DVB/DSS/DCII STB and Personal Computer (PC) receivers and residential gateways. When combined with the CX24109 silicon satellite tuner, the CX24121 provides a complete broadband satellite front-end solution capable of operating from 10 to 32 Msps. The demodulator provides digital derotation, digital filtering, equalization, and Viterbi/Reed-Solomon Forward-Error Correction (FEC). The CX24121 is compliant with the DVB (ETS 300-421) specification for satellite transmission and provides many advanced features .