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Content tagged with Optoelectronic
posted in September 2010
LM3492 LED Driver with dynamic headroom control reduces complexity, cost in automotive LCD backlight apps
Product News  
9/27/2010   1 comment
National Semiconductor Corp. now offers an LED driver with dynamic headroom control that drives current to two independently dimmable strings of LEDs. The LM3492, a member of National’s PowerWise energy-efficient product family, maximizes system efficiency and reduces system complexity and cost in automotive LCD backlight applications.
Processor fuses multiple imaging streams to sense vehicle surroundings
Design How-To  
9/24/2010   18 comments
With automotive vision systems proliferating, processor architecture can combine various image sources for tasks such as object detection and lane departure warning.
Analyst sees second gold rush in solar
News & Analysis  
9/24/2010   43 comments
A new round of government subsidies for solar panels could drive second gold rush in the solar market, according to a financial analyst.
UGent and imec launch silicon photonics spin-off Caliopa
News & Analysis  
9/24/2010   13 comments
The Photonics Research Group of Ghent University and research consortium imec have created and spun off Caliopa to develop and market advanced silicon photonics-based optical transceivers for the data and telecommunications markets.
Quasarbrite 4-leaded RGB LED SSL-LX503SIUPGUSBC
Product News  
9/21/2010   Post a comment
The through-hole QuasarBrite 4-Leaded RGB LED from Lumex features a 120° viewing angle and is targeted for applications that require high intensity light in spatially restricted spaces.
Use power management solutions to improve operating time in mobile handsets
Design How-To  
9/15/2010   8 comments
Understand the three areas of power consumption in smartphones, and what you can do about them
Green LED replaces LDO regulator
Design How-To  
9/8/2010   14 comments
You can use an LED as an LDO substitute using this circuit
LED improvements extend automotive applications
Design How-To  
9/2/2010   12 comments
While efficient, heat build-up is a major design concern because of compact LED packaging.
In-vehicle Internet grows slow and steady
Blog  
9/2/2010   13 comments
The popularity of smart phone apps is driving demand for in-vehicle Internet connectivity.


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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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