Google, Apple update their Covid-19 Exposure Notifications System

Google and Apple have updated their Bluetooth-based pandemic tracing Exposure Notifications System (ENS), incorporating feedback from early implementations by health authorities tackling Covid-19. They’ve also published extra technical details about how ENS works. You can, see for example, the source code of an example system (via the Github repository). The update to the API includes ...

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Phase-change material used in RF switch

Tower Semiconductor is using phase-change materials to make non-volatile RF switches – therefore consuming no power to hold open or closed suiting them to battery-powered IoT use. “This switch technology demonstrates a figure-of-merit Ron x Coff <10fs,” according to the company. “The switch performs over frequencies spanning MHz to all frequency bands discussed for 5G, ...

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400W ac-dc PSU eval board meets toughest eco-design norms

STMicroelectronics has introduced a 400W pans power supply evaluation kit that “meets today’s toughest eco-design norms”, according to the company.  “Full-load efficiency is over 93% at 230Vac and over 91% at 110Vac, with no-load mains consumption of less than 0.150W [at 230V].” Called EVL400W-EUPL7, is is built around ST’s L4984D current-mode power factor correction controller ...

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SGT transistor promises denser circuits

Researchers from Surrey and Cambridge universities and the National Research Institute in Rome have demonstrated the use of a pioneering circuit design that uses an the source-gated transistor (SGT), to create compact circuit blocks. The researchers show that they are able to achieve the same functionality from two SGTs as would normally be the case ...

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Socionext unveils cecTalker

Socionext today announced its  ʻcecTalkerʼ (pronounced ʻC-E-C-Talkerʼ), an HDMI module equipped with Socionextʼs HDMI controller IC. The device is sampling now with volume production and shipping in January 2021. The cecTalker is capable of connecting, controlling and linking devices that have HDMI terminals, such as audio and video equipment. The company has started shipping samples ...

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NAND price fall

NAND suppliers are continuing to cut production after a Q2 decline in spot prices which has led to a Q3 decline in contract pricing, says DRAMeXchange. Although, between April and June, suppliers managed to keep contract prices stable by cutting production, in June and July there was a fall in demand as the market for ...

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EUV looking to 225wph

At last month’s Imec Technology Conference, ASML’s CEO Martin van den Brink  revealed that the company has a route to get EUV to 225 wph while the productivity of immersion lithography has doubled over the last nine years.   11 million EUV wafers have been  exposed and 57 3400x EUV systems have been shipped, said van ...

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