Quick Detail:

High Speed, Low Power Single-Chip SDSL/HDSL Transceiver

Description:

The RS8973 is Conexant’s latest addition to the ZipWire family of

2B1Q xDSL modems. It offers up to 2.32 Mbps operation, ultra-low power consumption and an integrated frequency synthesizer, while maintaining pin-for-pin compatibility with the Bt8970. The integrated frequency synthesizer is ideal for variable rate SDSL applications. Via software control, the RS8973 can be programmed to operate at data rates from 144 Kbps to 2320 Kbps, while requiring only a single crystal as a clock reference. The transmission distance will increase as the data rate decreases — reachingas far as 21,000 ft (or 7 Km) at 144 Kbps and 8,200 ft (or 3.1 Km) at 2.32 Mbps (over 26AWG wire, in absence of noise). In addition, power consumption has been significantly reduced, allowing the RS8973 to dissipate about 850mW when operating at 2.3 Mbps.

The power consumption decreases with lower data rates. The RS8973 is fully compliant with standards for HDSL 2B1Q transmission, and it meets the power spectral density (PSD) and pulse template requirements as specified in ETSI TS 101 135 with the same support circuit. This enables a single design utilizing the RS8973 to be configured through a simple software command to operate at either 784, 1168 or 2320 Kbps, and still meet the ETSI requirements. No changes to the hardware are needed.

Applications:

• Low power dissipation (about 850mW at 2.32 Mbps operation)

• Supports data rates from 144 Kbps to 2320 Kbps

• Integrated frequency synthesizer

• Meets ETR152 pulse template and PSD specs with same support circuit

• Pin-for-pin and software compatible with Bt8970

• Supports automatic rate adaptation

• Single-chip transceiver

• Glueless interface to Motorola and Intel processors

• Flexible monitoring and control

• ZipStartup available for faster link establishment

• RS8953 companion SDSL/HDSL framers available

• JTAG/IEEE standard 1149.1 compliant

• 100-pin PQFP package

• -40C to +85C operation

Specifications:

Competitive Advantage:

Warranty :180 days !
Free shipping: Order over $1000 win a free shipment fee
(goods weight below 3Kg) ,during 20130901-20130930 .

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