Are ac mains-dimmable LED lamps green? Design How-To 9/24/2011 11 comments This article provides a comparison between the 60 W incandescent lamp and two commercially available mains dimmable LED lamps including the light output versus power consumption under different dimming situations using phase-cut dimmers. In addition, it looks at the contribution of higher order harmonics to total system dissipation.
Report: LED packaging coming into its own News & Analysis 9/14/2011 3 comments The LED industry has now gained enough momentum and reached a critical mass to entice equipment and material providers into developing dedicated solutions for LED manufacturing.
3M makes strategic investment in Pixel Qi News & Analysis 9/13/2011 Post a comment Pixel Qi Corp., a developer of LCD panels with enhanced sunlight readability, has announced it has raised an undisclosed amount of money in a Series B round of financing. The investment – reported elsewhere to be $3 million – is led by materials and films vendor 3M Company (Maplewood, Minnesota), through its 3M New Ventures organization.
Ikon Semiconductor receives Irish investments News & Analysis 9/9/2011 14 comments Ikon Semiconductor Ltd., a Dublin-based fabless semiconductor company chasing LED lighting opportunities, has received an overall investment of 800,000 euros from the Bank of Ireland Seed and Early Stage Equity Fund.
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.
January 2016 Cartoon Caption ContestBob's punishment for missing his deadline was to be tied to his chair tantalizingly close to a disconnected cable, with one hand superglued to his desk and another to his chin, while the pages from his wall calendar were slowly torn away.122 comments