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

Description

The HFBR-53A3VEMZ/VFMZ transceivers from Avago Technologies allow the system designer to implement a range of solutions for multimode Fibre Channel 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-53A3VEMZ/VFMZ 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 AC-coupled and differentially terminate with a 100 ? resistor.

Receiver Section

The receiver of the HFBR-53A3VEMZ/VFMZ 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
? Fully RoHS compliant
? Compliant with ANSI X3.297-1996 Fibre Channel Physical Interface FC-PH-2 revision 7.4 proposed specification for 100-M5-SN-I and 100-M6-SN-I signal interfaces
? Performance

HFBR-53A3VEMZ/VFMZ:
300 m links in 62.5/125 ?m MMF cables
500 m links in 50/125 ?m MMF cables

? Wave solder and aqueous wash process compatible
? Industry standard mezzanine height 1 x 9 package style with integral duplex SC connector
? 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

Applications
? Mass storage systems I/O
? Computer systems I/O
? High-speed peripheral interface
? High-speed switching systems
? Computer systems I/O
? Host adapter I/O
? RAID cabinets