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A1751A38RRSC08 PDF预览

A1751A38RRSC08

更新时间: 2024-10-29 03:53:23
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富士通 - FUJITSU /
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10页 88K
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Optoelectronic Device

A1751A38RRSC08 数据手册

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Data Sheet, Rev. 4  
June 2001  
A1751A DWDM Analog  
Forward-Path or Return-Path Laser Modules  
Description  
The A1751A laser module is a dense wavelength-  
division multiplexing (DWDM) laser for analog appli-  
cations. It features a distributed-feedback (DFB) chip  
that has been designed specifically for radio fre-  
quency (RF) applications. The A1751A laser module  
has a wide temperature range for reliable perfor-  
mance in harsh node environments and narrow  
transmitter designs. It also features low adiabatic  
chirp to maximize signal quality in short and long  
lengths of fiber. The laser’s excellent inherent linear-  
ity minimizes degradation of the broadcast signals  
caused by the quadrature amplitude modulation  
(QAM) channels.  
Wavelength-division multiplexing is being designed  
into cable television architectures. DWDM, a method  
for delivering targeted QAM signals to different loca-  
tions, allows multiple signal sets to be combined onto  
a single strand of fiber for transmission from a head-  
end to a hub. At the hub, individual QAM signals can  
be selected and combined with broadcast analog  
channels. The versatile A1751A DWDM laser module  
reduces cable network architecture fiber needs and  
lessens equipment requirements in the hub.  
Features  
Higher temperature rating  
Excellent linearity  
Standard ITU wavelengths  
Advanced analog chip design  
Tested for forward and return path applications  
Reduces equipment requirements in the hub  
The A1751A is available in a wide range of standard  
ITU wavelengths. The lasers are offered as either for-  
ward-path (40 MHz—860 MHz) or return-path  
(5 MHz—210 MHz) modules.  
Exceeds Telcordia Technologies* 468 specifica-  
tion.  
Applications  
Node capability  
Narrow transmitter housing  
Networks with limited fiber  
Architectures using separate optical wavelengths  
to carry targeted services  
* Telcordia Technologies is a trademark of Telcordia Technologies,  
Inc.  

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