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D572-20AS

Description
Fiber Optic Device,
CategoryWireless rf/communication    Optical fiber   
File Size348KB,7 Pages
ManufacturerBroadcom
Download Datasheet Parametric View All

D572-20AS Overview

Fiber Optic Device,

D572-20AS Parametric

Parameter NameAttribute value
MakerBroadcom
Reach Compliance Codecompliant
Base Number Matches1
Data Sheet
January 2006
D572-Type 1.5
µm
Uncooled DFB Laser Module
for 2.5 Gb/s and High-Bandwidth Applications
Applications
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SONET OC-48/STM-16 systems
Telecommunications
Secure digital data systems
Benefits
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Easily board mounted
Gull-wing leads
No additional heat sinks required
Low-cost alternative to industry-standard, 14-pin iso-
lated laser module (ILM)
Highly efficient DFB-MQW laser structure allows for
lower threshold and drive currents, and reduced
power consumption
The low-profile D572-type laser module is ideally suited for OC-
48 SONET and other high-speed digital applications
Features
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8-pin package suitable for SONET applications
Narrow linewidth, distributed feedback, multiquan-
tum-well (DFB-MQW)1510 nm or 1550 nm laser with
single-mode fiber pigtail
Operating temperature range: up to -25C/ +85C (see
Table 2)
No TEC required
High output power: typical 2.0 mW peak power cou-
pled into single-mode fiber
Hermetically sealed active components
Internal back-facet monitor
Built-in thermistor and Bias T
25
input impedance
Internal isolator
Telcordia Technologies
TA-983 qualification pro-
gram
Bandwidth > 3 GHz
Description
The D572-type uncooled laser module consists of a
laser diode coupled to a single-mode fiber pigtail. The
device is available in a standard, 8-pin configuration
(see Figure 1 and/or Table 1) and is ideal for long-
reach (SONET) and other high-speed digital applica-
tions.
The module includes a narrow linewidth (<1 nm) DFB-
MQW single-mode laser and an InGaAs PIN photo-
diode back-facet monitor in a hermetically sealed pack-
age.
This package is optimized for a 25
input impedance
and allows for dc biasing through an internal bias tee.
A thermistor has been included for feedback to board-
level bias circuitry, if needed.
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