Author Archives: steve bush

UK wetted electrostatic actuators equal muscle for power

The University of Bristol has created electrostatic actuators that it claims can lift 1,000 times their own weight, contract by 99.8% of their length, and deliver specific energy and specific power equivalent to muscle. They use pure electrostatic attraction between flexible electrodes of opposing polarities, augmented with liquid dielectric. The base unit of the actuator ...

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Seminar tour aimed at developers of IoT nodes with proper security

For project leaders and hardware engineering teams who are developing secure applications for IoT end points – and every IoT end point should be secured – Future Electronics and Microchip have created a one day seminar which is touring Europe – with one date in the UK. They are based around Microchip’s SAML10 and SAML11 microcontrollers, ...

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Lidar detects reflections from single atoms at 100km, even in daylight

Seeking to measure high altitude winds 24 hours a day, the German Leibniz Institute for Atmospheric Physics (IAP) has created a lidar that can measure temperature and wind using returns from stray metals in the atmosphere at concentrations as low as one atom/cm3 100km away, according to German test and measurement firm Spectrum which provided electronics ...

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Lidar detects reflections from single atoms at 100km, even in daylight

Seeking to measure high altitude winds 24 hours a day, the German Leibniz Institute for Atmospheric Physics (IAP) has created a lidar that can measure temperature and wind using returns from stray metals in the atmosphere at concentrations as low as one atom/cm3 100km away, according to German test and measurement firm Spectrum which provided electronics ...

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Novel front-end rejects RF self-interference for LTE

U-blox and University of Bristol have developed a tunable frequency-division duplexing RF front-end that combines passive and active self-interference cancellation. With the proof-of-concept demonstrator, an electrical-balance duplexer is used to passively cancel transmitter noise in the receive band, and an active canceller is employed to suppress self-interference in the transmit band. It has been characterised ...

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Transphorm ships 250,000 GaN power transistors

Californian gallium nitride transistor maker Transphorm has shipped over 250,000 650V GaN fets – manufactured at its Aizu wafer foundry in Japan, it revealed. The firm also said that its wafer-foundry’s 15 million parts annual capacity for 50mΩ devices could “easily” scale to 5x that volume, and that its manufacturing process can be structured to scale ...

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Chip-makers can design-in failure

High-performance chips can be designed to fail early, or can be physically attacked using high workloads, according to Washington State University, whose research team damaged an on-chip comms network by deliberately adding malicious workload. Led by engineers Partha Pande (left) and Janardhan Rao Doppa, the team has been exploring chip vulnerabilities as a way to prevent malicious ...

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130W iron and 100W tweezers in dual soldering station

RS Components has launched the a soldering station with both soldering iron and tweezers, and a combined power of 200W. GT-6200, as it will be known, costs £599.95. “Its combination of power, flexibility and functionality is simply not available elsewhere at this price level, thereby delivering access to professional soldering capability for a larger range ...

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Low ohmic resistors sense current in inverters and appliances

Rohm has announced a line-up of high power wide terminal thick-film chip resistors intended for current detection in applications including inverters and home appliances. Ranging from 10 to 910mΩ in 48 values, the parts are called LTR50. “A thorough review of the resistive material allowed Rohm to improve rated power to 2W in the 2.5 x ...

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A new route to self-heating clothing

As a way to turn cloth into heating elements for self-warming clothing, engineers at Rutgers University in the US have used high-intensity light pulses to fuse silver nano-wires onto polyester fibres – something called intense pulsed-light scintering. While delivering sufficient energy to bond the silver wires to the cloth fibres, the underlying polymer is not ...

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