Conexant Showcases New Set-top Box Reference Design Platforms

3/17/2004 - Conexant Systems, Inc. (NASDAQ: CNXT), the worldwide leader in semiconductor solutions for broadband communications, enterprise networks and the digital home, will be demonstrating several new semiconductor system platforms for interactive and basic cable, satellite, and IP set-top box (STB) products during the China Cable Broadcasting Network Exhibition (CCBN 2004).

Product demonstrations will be held March 23-25 at the Radisson SAS Hotel, next to the exhibition center in Beijing.

The DVB-C STB reference design is a compact, cost-effective and is based on Conexant’s CX24147 TV decoder IC. The CX24147 has an integrated VCXO, complete system clock generation from a single crystal, and high quality 10-bit video DACs. The low cost front-panel design enables manufacturers to reduce the BOM cost for STBs.

The DVB-S satellite STB reference design is based on Conexant’s CX24142 single chip DBS TV decoder IC. In addition to the features of the CX24147 device, the CX24142 includes an integrated QPSK demodulator and FEC decoder, DiSEqC 2.x support for two-way communication between STB and LNB, and a direct interface to the Conexant front-end silicon tuner CX24109. The result is a high-performance, low-cost STB design useful for worldwide DVB-S markets.

The PVR interactive cable STB platform, based on Conexant’s CX24430 device, enables a DOCSIS/EuroDOCSIS 1.0/1.1 and DVB-compliant broadband interactive channel with integrated cable modem and advanced PVR support for simultaneous recording and viewing of two channels. A powerful 250 MHz ARM920T CPU supports STB applications, including advanced cable STB platforms that can be developed rapidly using this reference design platform.

The IP STB platform is based on Conexant technology that decodes DSL-delivered, IP-based MPEG content for display on a television. Formats supported include MPEG-1/2/4, H.264, AVC and WMV. Home networking, with all wired and wireless technologies, is also supported.

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