Author Archives: steve bush

Atomic demodulator works at 19GHz

Researchers at the US National Institute of Standards and Technology (NIST) have used atoms to decode digital signals encoded by phase modulation. The atoms, cesium in this case, are ‘Rydberg atoms’ – atoms that have been wound up into a high energy state that is extremely sensitive to electric and magnetic fields. In this case the atoms were ...

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EMF Directive training in Hampshire

Electromagnetic field safety equipment supplier Link Microtek has launched a two-day training course to help organisations comply with the 2013/35/EU EMF Directive and the UK-specific Control of Electromagnetic Fields at Work (CEMFAW) Regulations 2016, “which placed specific requirements on employers to perform EMF risk assessments”, according to Link. It will be held in Baisingstoke on ...

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World’s largest electric vehicle never needs plugging in

Developed in Switzerland, at 58 tonnes, eDumper is claimed to be the world’s largest electric vehicle. Power comes from a 4.5 tonne Li-ion battery. It was converted from diesel to electricity by industry partners (see below) together with Bern University of Applied Sciences BFH, the NTB Interstaatliche Hochschule für Technik Buchs and Swiss lab Empa. It has ...

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GaN mains LED driver chip works up to 110W

Power Integrations has used internal 750V GaN power transistors to add higher power variants to its LYTSwitch-6 family of LED drivers – pushing operation to 110W with 94% conversion efficiency, and no requirement for a heatsink. “The new family members retain existing LYTSwitch-6 benefits such as fast transient response, which facilitates excellent cross regulation for ...

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Low-k dielectric for future chips expands in place to fill gaps

Researchers at Leuven University and Belgian research lab Imec have developed a form-in-place low-k dielectric for insulating on-chip interconnect. The technique uses nano-porous metal-organic frameworks. “We’re using metal-organic frameworks as the insulating substance. These are materials that consist of metal ions and organic molecules. Together, they form a crystal that is porous yet sturdy,” said ...

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Red LED streetlights make UK road bat-friendly

Worcestershire County Council has used red LED streetlights to install what it claims is the UK’s first bat-friendly highway – a ~60m stretch of the A4440 near to Warndon Wood nature reserve. “Research shows some species of bat are light shy and will not cross roads lit by white lights, which can stop them accessing ...

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Raspberry Pi and Panasonic donate computers to Cameroon school

The Raspberry Pi Foundation and Panasonic Industry Europe have donated 100 Raspberry Pis to the Lycee D’Akwa-Nord Bonamoussadi High School and the University of Science in Douala. In total over 250 pupils – undergraduate, graduate and doctoral students – together with their professors followed the educational and demonstrational sessions after the computers were handed over, ...

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CMOS sensor for laser triangulation

Teledyne e2v has announced a family of CMOS image sensors for 3D laser triangulation – for use in applications such as distance measurement, profile measurement and high resolution physical inspection. Branded ‘Flash’, the sensors feature a 6μm CMOS global shutter pixel which combines high resolution and fast frame rate. They are available in a 4k or ...

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More on: MIT’s carbon nanotube RISC-V CPU

Last week MIT announced a CPU made from carbon nano-tube (CNT) mosfets using standard CMOS fab equipment and only the materials and processes found within commercial CMOS fabs. Electronics Weekly has delved inside to see how it works. In essence, the CNT logic is CMOS, as the researchers have found a way to create p-channel CNT ...

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Thin flexible bio-sensors are 3d-printed

Georgia Tech has developed a way to 3d print highly flexible bio-compatible battery-free wireless stretch sensors. A potential application is pressure sensing inside brain blood vessels damaged by aneurysms – floppy side bulges that can burst. ‘Aerosol jet’ 3D printing is the chose fabrication technique – in which a fine mist of droplets are blown ...

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