NDLI: Design of a compact, high speed optical transceiver using two step overmolding

Content Provider	IEEE Xplore Digital Library
Author	Anigbo, F.C.J. Robinson, S.D. Broutin, S.L. Shevchuk, G.J. Stefanik, D.
Copyright Year	1994
Abstract	A low cost, compact optical transceiver has been designed for emerging fiber data distributed interface (FDDI) and fiber channel local-area networks (FCLANs). This transceiver has been designed to meet the growing volumes and rapidly falling prices in the FDDI marketplace. The package is designed to be fully compliant with an industry standard package outline and footprint. This optical data link (ODL) contains a duplex selection combining (SC) connector receptacle-compatible with the ANSI fiber channel and low-cost FDDI standards. With a single row of nine pins, the transceiver will occupy less than 1.0 in/sup 2/ of board space. This ODL transceiver is designed using two-step overmold packaging technology. This technology integrates optical and electrical components in a single, sealed, transfer molded package. This package design uses a copper-based leadframe to provide low-cost interconnection and mass handling. The final assembly sequence was conceived using the latest design for simplicity (DFS) principles. This paper describes the design concept and challenges required to implement a full transceiver in such a small size. Thermal analysis results are discussed. Electrical design issues such as crosstalk and external noise immunity are also described. Initial performance results using preliminary design models will be reported.
Sponsorship	IEEE Computer Society
Starting Page	562
Ending Page	568
Page Count	7
File Size	968932
File Format	PDF
ISSN	10709894
Volume Number	19
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-08-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical design High speed optical techniques Transceivers Packaging Optical crosstalk Optical fiber networks FDDI Space technology Costs Optical fiber LAN
Content Type	Text
Resource Type	Article
Subject	Engineering

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