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Content tagged with Optoelectronic
posted in September 2003
Samsung, Toshiba merge optical disk operations
News & Analysis  
9/29/2003   Post a comment
By agreeing last week to combine their optical disk businesses into a joint venture, Korea's Samsung Electronics Co. Ltd. and Japan's Toshiba Corp. hope to cut their operating costs and maintain a competitive edge in a market saddled with severe pricing pressures.
VXS: Switched Serial Gigabit Fabric for VMEbus
Design How-To  
9/23/2003   Post a comment
The VMEbus, well into a third decade of widespread deployment, continues as the dominant bus structure for high-performance embedded systems. In an industry characterized by a steady succession of new device offerings with speed and density increases every few months, VMEbus has retained this leadership position not simply because it was based on a sound electrical and mechanical architecture. Pentek's Rodger hosking introduces VXS and reviews some basics of switched fabrics.
ITT's new optical interconnects suit military, industrial needs
News & Analysis  
9/22/2003   Post a comment
ITT Industries, Cannon has expanded its PHD line of multichannel optical interconnects to include versions able to withstand military, avionics, and industrial environments.
Microdisplay market heading for shakeout
News & Analysis  
9/16/2003   Post a comment
The microdisplay market appears ready to undergo a major shakeout that could result in the demise of the smallest suppliers as larger manufacturers and competing technologies further erode their revenue base. Analysts believe the market is too small to accommodate all the suppliers, and that consolidation is imminent. Spencer Chin has this report.
Surface-mountable LEDs erase through-hole pcbs
Product News  
9/11/2003   Post a comment
The SMPT series of surface mount LEDs from the BivarOpto Division of Bivar Inc. has been designed to be used with the company's Flexible Light Pipes (FLP Series), thus eliminating the need for through-hole printed-circuit boards.
Surface-mount LED touts 120 degrees viewing angle
Product News  
9/4/2003   Post a comment
The wide-angle, top-view SMT 1104B series of LEDs from Stanley Electric is available in an expanded range of colors and luminous intensities to support display and indicator applications.
Photodetector chip serves DVD players
Product News  
9/4/2003   Post a comment
Sipex Corp.'s first photodetector IC for the home DVD player market features seven channels, 55-MHz bandwidth, operating current of 10.5 milliamps and output noise of -80 dBm.


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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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