Author Archives: steve bush

Lower parasitic loss in 200mm RF GaN-on-Si epi wafer

IGaN of Singapore is claiming lower losses from its 200mm RF GaN-on-silicon epi wafers. “Despite the great promise showcased by GaN-on-Si RF electronics, there remain few issues to be resolved,” according to company technologist Dr Karthikeyan S. “One such issue is the presence of parasitic channel formed at III-nitride/silicon interface, which leads to parasitic loss, ...

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Wearables: A boost for flexible solar cells

Luminescent solar concentrators are sheets that collect light at various wavelengths and re-emit it at a wavelength better matched to a solar cell. They can be created in various geometries – for example a flat sheet can be arranged to collect light over its large surface, and then re-emit it from one edge to a ...

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Embedded Workbench adds support for position-independent RH850 code for automotive

IAR Systems Embedded Workbench C/C++ compile and debug toolchain can now generate position-independent code and position-independent data for Renesas’ RH850 automotive MCUs. “The added functionality is useful in systems where applications are loaded dynamically,” according to IAR. “When using position-independent code and read-only data [ROPI], the compiler will generate code that uses PC-relative references for ...

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Mid-travel tact switch with soft sound

Following on from an ultra-quiet 8mm tact switch in May, C&K has launched a ‘soft sound’ 12mm mid-travel tact switch, also aimed at automotive use. Called the SFS 12 Series, they are designed to have a positive haptic feeling and last for at least 300,000 cycles (1million cycles disconnected). There is a choice of actuation force: ...

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Cambridge spin-out offers ‘smallest’ flow sensor

University of Cambridge spin-out Flusso has launched what it claims to be “the world’s smallest flow sensor” – with a 3.5 x 3.5mm footprint. Called FLS110, it is a CMOS device designed for gas flow measurements, with gas entering and leaving through two  tubular stubs. Flow range is up to 200cm3/min directly through the sensor, ...

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Hermetic wet tantalum capacitors reach 58,000µF for mil/aero

Vishay has extended its EP1 range of wet-tantalum capacitor, supplying the industry’s highest capacitance per voltage-rating for this device type, according to New Yorker Electronics, which is stocking them. “Vishay developed this upgraded capacitor to meet the needs of military and avionics applications with new ratings in the B and C case codes.” The parts ...

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UK 20 drone swarm collaborates beyond-line-of-sight

Bedfordshire autonomy company Blue Bear Systems Research has demonstrated a 20 drone swarm collaborating out of sight. The heterogenous swarm consisted of five different types and sizes of fixed wing drones carrying six different types of payload from five different companies. Linking them together was Blue Bear’s technology. Payloads and payload support came from Plextek DTS, ...

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UK made: test jigs for low-volume manufacture

Nottingham-based Ignys is aiming at low volume manufacturing with a fixture concept for PCB testing, programming or calibration. “For high volume products, there are conventional ways of arranging tests but these are often too expensive and too slow for the start-up community or low volume manufacturers to benefit from,” according to the company. “We’ve developed ...

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EMI receiver spans 9kHz to 3GHz

PMM has introduced a CISPR 16-1-1 compliant EMI receiver for conducted or radiated emission test measurements from 9kHz to 3GHz. “Its use of gapless FFT technology allows rapid troubleshooting since a fully compliant scan can take as little as two seconds in frequency band B [250 – 500MHz] and only one minute in bands C and ...

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Cree selling LED business to focus on SiC and GaN devices and materials

Cree has agreed to sell its LED business (‘Cree LED’) to memory maker Smart Global Holdings. “We are pleased to announce the sale of our LED products business to Smart, which represents another milestone in our journey to create a pure-play global semiconductor powerhouse,” said Cree CEO Gregg Lowe. “This transaction positions us with a ...

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