Author Archives: steve bush

21.8% efficiency from perovskite solar cell made by production line process

Slot-die coating, an established production line process, can be used to create perovskite solar cells that can achieve 21.8% efficiency, and perovskite-silicon tandem cells that score 23.8%, according to researchers at the King Abdullah University of Science and Technology (KAUST). Slot-die coating is a liquid process that “involves continuously and precisely forcing an ink through ...

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8pin chip adds security to automotive ECUs

Microchip is aiming at automotive OEMs and their module suppliers with a network security chip. Called TA100, it is intended to work with a host processor and provides secure boot (host code authentication), MAC generation, secure key, and certificate storage and management. “TA100 removes the challenges associated with secure code development and provisioning by offering pre-programmed ...

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13kW/kg motor for electric flight

Founded by engineers from University of Wisconsin-Madison, a company has just appeared claiming to have a route to 13kW/kg electric motors for flight. “For long-distance electric aircraft to be feasible, substantial improvements need to be made to electric propulsion system technology,” according to the company, named H3X. “ARPA-E has determined that for a Boeing 737 ...

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MCS Test becomes Tektronix authorised channel partner

Tektronix has appointed MCS Test, St Asaph, as an authorised channel partner for the UK. With this agreement, MCS Test will selling Tektronix entire portfolio. “Working with MCS Test allows us to serve more customers and markets, whilst at the same time positioning the Tektronix & Keithley brands in the UK,” said Tektronix v-p Maria Heriz. ...

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Electronica: 12Gsample DAC with 26GHz output bandwidth

Teledyne e2v is offering beta samples of its 12Gsample/s 12bit (or 8bit) EV12DD700 dual-channel DAC. “What sets it apart from other DACs is that it is first on the market to support operation within the 26GHz upwards Ka-band,” claimed the company. “Numerous features have been incorporated, such as DDS [direct digital synthesis], plus digital up-conversion ...

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Dual 60V asymmetric mosfet is automotive qualified

Vishay has introduced an AEC-Q101 qualified dual 60V n-channel mosfet in an asymmetric package – a 5 x 6mm ‘PowerPAK’ SO-8L (see photo). Called SQJ264EP and designed for automotive dc-dc switch-mode power supplies, to increase efficiency the mosfet are asymmetric as well as the package. Mosfet 1 20mΩ on-resistance (10V) 9.2nC typical gate charge 20A ...

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Variable speed motor drivers from up to 4kW from ON

ON Semiconductor has introduced a motor development kit for motors up to 4kW, and soon to 10kW. “In order to improve efficiency, ac induction motor drives designers must understand how these and other types of motors operate under all load conditions, and intelligently compensating for variable conditions,” according to the company. “The Motor Development Kit ...

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Smoke alarm reference design meets UL 217 8th edition

Analog Devices has released a reference design for a smoke alarm that meets UL 217 8th edition, along with an arduino-compatible evaluation kit. Built around the recently released ADPD188BI optical smoke sensor, it comes with a “data package for algorithm development including more than 1,000 smoke data sets taken at UL-217 certified facilities,” according to ADI. ...

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DIY hearing aid for the many costs just a few dollars

From Georgia Tech has emerged a hearing aid design that can be built for a few dollars from easily obtained parts. Worn around the neck in a 3d printed case, the ‘LoCHAid’ proof-of-concept is designed to be manufactured and repaired where conventional hearing aids are priced beyond the reach of most citizens, according to the ...

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‘Moth eye’ anti-reflection coating for displays

For stealthy fight at night, moths have evolved eyes that are non-reflective, according to the Tokyo University of Science, which has used the animals periodic nanometric surface structure as inspiration for a coating for displays. Rather than looking polished, the eye coating causes most incident light to bend at the surface an transmit through the ...

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