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LED gets warmer as it dims

LED gets warmer as it dims

Is it possible for an LED to get redder as it dims?

Without swapping current between a warm LED and a cool LED?

It is, according to researchers from Philips.

They coated a cool white LED with a layer of thermally-responsive liquid crystal.

When it is hot, because the…

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Design Council launches £300k “Big Idea” Fund

Design Council launches £300k “Big Idea” Fund

The Design Council has launched a £300,000 design innovation initiative aimed at identifying young designers in the field of physical product innovation.

Emily Tulloh, a final-year Brunel University London product design student, 21, was chosen to represent young British product design at the launch of the “Spark” initiative…

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Free-space laser comms using 'twisted light'

Free-space laser comms using 'twisted light'

Austrian researchers have sent data through the turbulent air over Vienna using an orbital angular momentum modulated free-space laser beam. The experiment could open the door to high-speed quantum key distribution.

Orbital-angular momentum (OAM) modes are a class of transverse spatial light modes where phase distribution spirals…

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10-output low phase jitter synthesiser from IDT. Read More
TI makes BeagleBone programming real-time

TI makes BeagleBone programming real-time

Texas Instrument hopes to simplify the programming of the BeagleBone Black embedded computing board.

It has introduced the PRU Cape as a BeagleBone Black add-on board that gives designers access to a Programmable Real-Time Unit (PRU) core.

The PRU is a low-latency microcontroller subsystem integrated in the…

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UKESF names 2014 scholar of the year

UKESF names 2014 scholar of the year

The UK Electronics Skills Foundation (UKESF) named Robert Eynon who is studying for an MEng degree in Electronics and Computer Engineering at the University of York as its 2014 Scholar of the Year.

Eynon, who is currently completing his second placement with Dialog Semiconductor, has been working on verification projects…

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Dyson and Sir Hossein Yassaie lauded by electronics industry

Dyson and Sir Hossein Yassaie lauded by electronics industry

Sir Hossein Yassaie, CEO of Imagination Technologies, has received the prestigious Contribution to Industry award at the 2014 annual NMI Electronic Systems Awards.

Dyson was named company of the year.
Derek Boyd, NMI CEO, presenting the award to Sir Hossein Yassaie in London last night said: “When selecting people for…

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SEMI book-to-bill declines again Read More
Intel trims capex, raises dividend

Intel trims capex, raises dividend

Intel is trimming its 2015 capex from an expected $11bn to $10.5bn plus or minus $500m, but is raising the dividend, the company told an investors meeting yesterday…

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UK firm finds niche in easy street lamp refits

UK firm finds niche in easy street lamp refits

Making it easy to switch street lamps over to LEDs, is the way West Yorkshire’s Harvard Engineering aims to sell LED lighting to councils.

It has created the Retro LED family of ‘gear-trays’ which replace the original discharge lamp assembly – be it low-pressure sodium (SOX), high-pressure…

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Cambridge antenna firm signs UK manufacturing deal

Cambridge antenna firm signs UK manufacturing deal

Cambridge-based Zinwave is to get its wideband distributed antenna systems manufactured in the UK at Plexus.

The systems use a combination of photonic and wideband amplifier technology to provide in-building wireless coverage for mobile, LTE and public safety services between 150MHz-2700MHz regardless of protocol or modulation scheme…

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LED lighting: Not all 5630s are created equal

LED lighting: Not all 5630s are created equal

UK LED optics maker Carclo has warned Luminaire makers not treat all mid-power lighting LEDs as equal.

“You need to pick mid-power LEDs in partnership with the optic. You can’t just pick any 5630, unless you are not worried about output quality,” Carlo sales director Ian Bryant…

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