SiC defect study could improve power bipolar transistors

Silicon carbide mosfets and Schottky diodes are both subject to the unipolar limit – the trade-off between breakdown voltage and specific resistance of the drift layer. Super-junction transistors bypass this limit, and bipolar transistor are not subject to it, but both require p-type semiconductor layers in otherwise n-type unipolar devices. To create p-type SiC, it ...

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Semi market ending the year with a flourish

The semiconductor market is finishing the year strongly, says Semiconductor Intelligence. Q3 revenue was $144.8 billion, according to WSTS, up 7.4% from the prior quarter and up 27.6% from a year ago. The strong year-to-year growth was a slight deceleration from 30.4% in Q2. The major memory companies reported very healthy 3Q21 revenue increases versus ...

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Law passed to enforce stripping out Huawei switchgear

The government has passed a law making it illegal for telecom network operators to retain Huawei switchgear in their networks where the government says it should be stripped out. The Telecommunications (Security) Act imposes new legal duties on telecoms firms to protect the UK’s telecoms networks and gives new powers to government to control the ...

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LIN RGB LED controller has 24 driver outputs

Melexis, the Belgian auto IC specialist, has launched a multi-channel LIN RGB LED controller with 24 LED driver outputs each capable of sourcing up to 60mA. Capable of driving eight RGB channels, the MLX81118 reduces the bill of materials and simplifies the design of cutting-edge interior and exterior lighting. The chip has a dual input-voltage ...

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Isotropic eyes hybrid satellite comms for trains

Isotropic Systems, the Reading-based specialist in satellite connectivity, has joined a UK Government and European Space Agency (ESA) consortium to test hybrid satellite communications for trains. The project will demonstrate the use of 5G in the area of transport and logistics. Specifically, it will explore how hybrid networks, based on multi-bearer 5G technology, could improve ...

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NGK, Ossia & Torex Semi hook up on wireless power transmission

NGK Insulators,  Torex Semiconductor and Ossia have started working together to spread the use of wireless power transmission/transfer (WPT) systems. The companies have developed a WPT power receiver development kit using a combination of NGK’s lithium-ion rechargeable batteries EnerCera, TOREX’s low-current-consumption power supply ICs and Ossia’s WPT technologies. Conventionally, powering IoT devices involved power cables ...

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Farnell launches embedded computing hub.

Farnell has launched an Industrial Embedded Computers online hub. The hub will provide design engineers with the latest information on industrial single board computers (SBCs). The hub  includes articles, application notes, guides, projects and training modules, videos and eBooks. The hub also provides access for Farnell’s range of online calculators, conversion charts and component selection ...

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