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D2570H908

Description
Support Circuit
CategoryWireless rf/communication    Telecom circuit   
File Size109KB,12 Pages
ManufacturerBroadcom
Download Datasheet Parametric View All

D2570H908 Overview

Support Circuit

D2570H908 Parametric

Parameter NameAttribute value
MakerBroadcom
package instruction,
Reach Compliance Codeunknown
Telecom integrated circuit typesATM/SONET/SDH SUPPORT CIRCUIT
Data Sheet
March 2001
D2570, D2526, D2555 Wavelength-Selected
Direct Modulated Isolated DFB Laser Module
Applications
s
Three direct-modulated DWDM families available
to meet a number of OC-48/STM-16 applications:
— Extended reach (100 km)
— Very long reach (170 km)
— Metro DWDM
— Digital video
Product Codes
Product
Code
The 1.5
µ
m D2570, D2526G, and D2555 Laser Modules are
available in a 14-pin, hermetic, butterfly package.
Peak
Power
10 mW
2 mW
2 mW
Dispersion
Performance
1800 ps/nm (100 km)
1800 ps/nm (100 km)
3000 ps/nm (170 km)
D2570H
D2526G
D2555G
Features
s
Description
The Direct Modulated Isolated DFB Laser Module
contains an internally cooled, InGaAs, MQW, distrib-
uted-feedback (DFB) laser designed for 1.5
µ
m appli-
cations. The following three direct-modulation DWDM
product families have been established to meet vari-
ous OC-48/STM-16 system applications:
s
ITU wavelengths available from
1528.77 nm —1610.06 nm
SONET/SDH compatible up to OC-48/STM-16
Temperature tunable for precise wavelength
selection
Integrated optical isolator
High-performance, multiquantum well (MQW)
distributed-feedback (DFB) laser
Industry-standard, 14-pin butterfly package
Characterized at 2.488 Gbits/s (NRZ)
InGaAs, PIN photodetector back-facet monitor
Low threshold current
High-reliability, hermetic packaging
Excellent long-term wavelength stability can elimi-
nate the need for external wavelength locker
Qualified to meet the intent of
Telcordia Technolo-
gies
* 468
s
s
s
s
s
s
s
s
s
s
D2526-type: designed to be used in OC-48/
STM-16 (2.488 Gbits/s) for extended reach, dense
WDM applications (1800 ps/nm). The wavelength
of the laser can be temperature-tuned for precise
wavelength selection by adjusting the temperature
of the internal thermoelectric cooler.
D2555-type: high-performance device designed for
very low dispersion; used in fiber spans exceeding
170 km (3000 ps/nm).
D2570-type: high-power, direct-modulated laser
eliminates the need for optical amplifiers in DWDM
many applications.
s
s
s
*
Telcordia Technologies
is a trademark of Telcordia Technologies,
Inc.
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