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Broadband cable tuner draws less than 900mW

Posted: 22 May 2008 ?? ?Print Version ?Bookmark and Share

Keywords:broadband cable tuner? cable networks? VoIP?

Designed to extend frequency and power efficiency for next-generation voice and data services, Microtune Inc.'s low-power multistandard cable tuner draws less than 900mW of power.

The MicroTuner MT2068 broadband tuner can be integrated into data modems, VoIP modems, STBs and other power-sensitive cable equipment to deliver digital voice, Internet and multimedia services in all-digital, 1GHz expanded cable networks. Less than 0.25-inch square, the MT2068 supports multiple specifications, enabling manufacturers to develop multi-standard, multi-tuner products using one tuner design.

The MT2068 is a complete broadband tuner with integrated first IF filter, low-noise amplifier and fully integrated automatic gain control. It features low phase noise and high linearitytechnical parameters that are required to ensure not only minimum distortion in voice applications, but also reliability in high-speed Internet connections.

The tuner supports both DOCSIS 2.0-based VoIP cable modems and PacketCable-based embedded multimedia terminal adapters (EMTAs). It also handles 8MHz IF channels and provides improved EuroDOCSIS performance.

The MT2068 tuner is engineered to offer optimized isolation for better IF rejection which improves immunity to interference in cable networks with severe differences in signal strength across the input frequency band. This ensures premium performance across the entire network spectrum, even in intricate multi-tuner applications.

The MT2068 is packaged into a miniature 6mm? chip that operates with a 3.3V supply.

Pricing starts at $3 each in quantities of 10,000 units. Devices are sampling now; initial production is planned in Q3 08.

- Ismini Scouras

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