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HFBR-1115TZ

Fiber Optic Transmitter and Receiver Data Links for 125 MBd

Avago Technologies 

HFBR-1115TZ Transmitter

HFBR-2115TZ Receiver

Fiber Optic Transmitter and Receiver Data Links for 125 MBd

Data Sheet

Description

The HFBR-1115TZ/-2115TZ series of data links are high-

performance, cost-efficient, transmitter and receiver

modules for serial optical data communication applica-

tions specified at 100 Mbps for FDDI PMD or 100 Base-FX

Fast Ethernet applications.

These modules are designed for 50 or 62.5 μm core multi-

mode optical fiber and operate at a nominal wavelength

of 1300 nm. They incorporate our high performance,

reliable, long-wavelength, optical devices and proven

circuit technology to give long life and consistent perfor-

mance.

Transmitter

The transmitter utilizes a 1300 nm surface-emitting

InGaAsP LED, packaged in an optical subassembly. The LED

is dc-coupled to a custom IC which converts differential-

input, PECL logic signals, ECL-referenced (shifted) to a +5 V

power supply, into an analog LED drive current.

Receiver

The receiver utilizes an InGaAs PIN photodiode coupled

to a custom silicon transimpedance preamplifier IC. The

PIN-preamplifier combination is ac-coupled to a custom

quantizer IC which provides the final pulse shaping for

the logic output and the Signal Detect function. Both the

Data and Signal Detect Outputs are differential. Also, both

Data and Signal Detect Outputs are PECL compatible, ECL-

referenced (shifted) to a +5 V power supply.

Features

• Full compliance with the optical performance require-

ments of the FDDI PMD standard

• Full compliance with the optical performance require-

ments of the ATM 100 Mbps physical layer

• Full compliance with the optical performance require-

ments of the 100 Mbps fast ethernet physical layer

• Other versions available for:

– ATM

– Fibre Channel

• Compact 16-pin DIP package with plastic ST* connector

• Wave solder and aqueous wash process compatible

package

• Manufactured in an ISO 9001 certified facility

Applications

• FDDI concentrators, bridges, routers, and network

interface cards

• 100 Mbps ATM interfaces

• Fast ethernet interfaces

• General purpose, point-to-point data communications

• Replaces DLT/R1040-ST1 model transmitters and

receivers

Package

The overall package concept for the Data Links consists of

the following basic elements: two optical subassemblies,

two electrical subassemblies, and the outer housings as

illustrated in Figure 1.

* ST is a registered trademark of AT&T Lightguide Cable Connectors.

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