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WiMAX transceivers target low-cost customer premises equipment

Posted: 11 May 2005 ?? ?Print Version ?Bookmark and Share

Keywords:sierra monolithics? smi? dual-band transceiver? transceiver? wimax?

Sierra Monolithics Inc. (SMI) announced that it is shipping a dual-band transceiver that enables low-cost customer premise equipment (CPE) for broadband wireless access (BWA) applications. This product has been designed to support WiMAX compliant products.

"Standards-based, cost-effective WiMAX modems and gateways are key to the success of the wireless broadband market," said Scott Richardson, general manager of Intel's Broadband Wireless Division. "SMI's dual-band single chip transceiver, the SMI7035, and the Intel PRO/Wireless 5116 broadband interface enable more cost effective WiMAX modems, which will help bring them to a broader audience."

The SMI7035 transceiver is a dual-band transceiver incorporating full receive and transmit paths with on-chip synthesizers and VCOs. It tunes over 2.3GHz to 2.7GHz and 3.3GHz to 3.8GHz. It is housed in a surface mount 7-by-7mm QFN package.

The 3.3GHz to 3.8GHz transmitter offers 55dB of gain control range and greater than 35dB EVM (Error Vector Magnitude). The receiver has an input range of -100dBm to -20dBm and is designed to operate in an interference limited environment. The on-chip synthesizer features about 1 degree RMS and settling time less than 80?s.

Evaluation kits are available that provide a complete RF section at 3.5GHz, suitable for half-duplex frequency division duplex (FDD) or time division duplex (TDD) operation. Schematics and assembly information are provided. This evaluation kit is compatible with the Intel PRO/Wireless 5116 broadband interface.

The evaluation board is priced at less than $35 each in 100,000-piece quantities.

- Janine Love


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