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Optical transceiver targets broad wireless base station market

Posted: 19 Sep 2007 ?? ?Print Version ?Bookmark and Share

Keywords:optical transceiver? wireless base station? fiber optic?

Avago Technologies has unveiled what it claims to be the first optical transceivers for the broad wireless base station market specifically built to support industrial-level temperature ranges and open standards.

With high-speed serial links over multimode optical fiber at 3.072Gbps, the AFBR-57J5APZ operates at the industrial temperature range of -40C to 85C with link distances of 500m over OM3 grade fiber. Avago's new product line for the base transceiver station market will include multimode and single mode optical transceivers. Single mode transceivers for the wireless base station market that support distances from up to 80km will be available by end of 2007.

The new family of fiber optic transceiver modules target emerging open base station architecture initiative (OBSAI) and common public radio interface (CPRI) standards for next generation wireless base station systems. "With W-CDMA, GSM, EDGE and WiMAX incorporating data rich content, base station system performance must improve," commented Dave D'Andrea, director of marketing for Avago Technologies' fiber optic products division. "OBSAI and CPRI standards address the need for cost effective, higher performance wireless base station systems and Avago's new product line will provide system designers with the best cabling interconnect solution."

Fiber optics offer several advantages over traditional copper cabling used in wireless base stations. Compared to copper solutions, optical fiber supports longer link distances with higher data rates and at a lower total cost of ownership. At higher data rates, larger copper cables cause more difficulties in installation, maintenance, and upgradeability for base station implementationsissues that a lightweight optical fiber cable does not have. Further, designing with fiber enables more robust and cost effective solutions as fiber technology consumes less power, does not have RF emissions, provides EMI immunity which is critical for data security and integrity, and offers high voltage isolation which protects the network during a lightning storm.

Avago's multimode AFBR-57J5APZ wireless base station transceiver is available at $40 per unit at sub-500 unit volumes. The AFCT-57J5APZ (7km, SM, OBSAI/CPRI, 3.1Gbps) and AFCT-57J5ATPZ (20km, SM, OBSAI/CPRI, 3.1Gbps) will be available in October 2007. Avago's AFCT-57xxxxxZ (40km/80km, SM, OBSAI/CPRI, 2.47Gbps) is slated for end of 2007.

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