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Ô­³§ÃèÊö£º3.3 V 1x9 Fiber Optic Transceivers for FC

Description

The HFBR-53A5VEMZ transceivers from Avago Technologies allow the system designer to implement a range of solutions for multimode Gigabit Ethernet applications. The overall Avago transceiver product consists of three sections: the transmitter and receiver optical subassemblies, an electrical subassembly, and the package housing which incorporates a duplex SC connector receptacle.

Transmitter Section

The transmitter section of the HFBR-53A5VEMZ/FMZ consists of an 850 nm Vertical Cavity Surface Emitting Laser (VCSEL) in an optical subassembly (OSA), which mates to the fiber cable. The OSA is driven by a custom, silicon bipolar IC which converts differential PECL compatible logic signals into an analog laser diode drive current. The high speed output lines are internally accoupled and differen-tially terminate with a 100 ? resistor.

Receiver Section

The receiver of the HFBR-53A5VEMZ/FMZ includes a GaAs PIN photo-diode mounted together with a custom, silicon bipolar transimpedance preamplifier IC in an OSA. This OSA is mated to a custom silicon bipolar circuit that provides post-amplification and quantization. The post-amplifier also includes a Signal Detect circuit which provides a TTL logic-high output upon detection of a usable input optical signal level. The high speed output lines are internally ac-coupled.

Features
? Compliant with specifications for IEEE- 802.3z Gigabit Ethernet
? Industry standard mezzanine height 1 x 9 package style with integral duplex SC connector
? PerformanceHFBR-53A5VEMZ/FMZ:

¨C 220 m links in 62.5/125 ?m MMF 160 MHz* km cables
¨C 275 m links in 62.5/125 ?m MMF 200 MHz* km cables
¨C 500 m links in 50/125 ?m MMF 400 MHz* km cables
¨C 550 m links in 50/125 ?m MMF 500 MHz* km cables

? IEC 60825-1 Class 1/CDRH Class I laser eye safe
? Single +3.3 V power supply operation with PECL compatible logic interfaces and TTL Signal Detect
? Wave solder and aqueous wash process compatible
? RoHS compliant

Applications
? Switch-to-switch interface
? Switched backbone applications
? High speed interface for file servers
? High performance desktops