Almost perfect graphene grown

Korea’s Institute for Basic Science (IBS) has grown what is thought to be the most perfect artificial graphene yet – with no wrinkles, folds or ‘adlayers’ (islands of multiple-layer graphene) – using a process that appears to be scalable to larger quantities. The same team, from IBS’s Center for Multidimensional Carbon Materials (CMCM), had previously reported single-crystal ...

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Extend PCIe 3.0 and SATA3 connections at up to 8Gbit/s

Diodes has introduced ICs that extend the physical range of PCIe 3.0 and SATA3 connections, while meeting Microsoft’s ‘modern stand-by mode’ requirements. Operating from a 3.3V rail, in stand-by mode, the 1-lane (or 2 channel) PI3EQX12902E consumes 1.7mW, whihc rises to 3.3mW for the 2-lane (4 channel) PI3EQX12904E. A pin selects PCIe 3.0 or SATA3 mode, ...

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All-metal 1W current sense resistor in 0805

Stackpole Electronics is pitching its 1W-rated CSSH0805 all-metal 0805-size chip resistor family against 1206 and 2010 parts for current sensing. It comes in three temperature coefficient versions: ±100ppm types are rated up to 44.72A (89A over-load) and are available between 500μΩ and 1mΩ in 1, 2 and 5% tolerances ±75ppm types are rated up to 25.81A (51A ...

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Novel antenna combines a dish and a phased array

Lockheed Martin has created a novel millimetre-wave dish antenna for satellites and ground terminals, particularly for space-based 5G communication. Called ‘wide angle ESA fed reflector’ (Waefr), it is a hybrid of a phased array electronically steerable antenna (ESA) and a parabolic dish, and is claimed to increases coverage area by 190% compared to traditional phased ...

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Compact i.MX 8M Plus AI edge computers

Advantech has released a series of small AI-native computers built around NXP’s i.MX 8M Plus processors. RSB-3720 2.5” Pico-ITX single-board computer EPC-R3720 boxed computer 152 x 108 x 38mm ROM-5722 SMARC 2.1 COM single-board computer (above) Intended for smart vision systems, there are processor options up to quad-core 1.8GHz Cortex-A53 plus a Cortex-M7 co-processor for real-time tasks. ...

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Transfer Learning vs Incremental Learning for training neural nets

Brainchip, the AI processor specialist, has looked whether transfer learning is more efficient than incremental learning in training neural nets to perform AI/ML tasks.. In transfer learning, applicable knowledge established in a previously trained AI model is “imported” and used as the basis of a new model. After taking this shortcut of using a pretrained ...

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Rockley adds BEOL processing to Skywater foundry contract

Skywater, the Minnesota foundry, will undertake BEOL processing for Rockley Photonics’ spectrophotometer-on-a-chip health monitoring product. Rockley, founded by Bookham Technology founder Andrew Rickman, has been using Skywater for front-end processing. “SkyWater provides us with a domestic U.S. source for advanced wafer-level components which is a critical part of our multi-source supply chain strategy,” says Rickman, ...

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iSpace announces its next-gen larger lunar lander

iSpace – the lunar space transportation company based in Tokyo – has unveiled its next generation lunar lander, dubbed Series 2. It will first be used for the company’s third lunar mission. The new design of the lander sees an increase in size and payload design capacity. Standing at approximately 9 ft tall and 14 ...

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ST adds to GaN portfolio

Easing the transition to high-efficiency wide-bandgap technology, ST  has released the MasterGaN3 and MasterGaN5 integrated power packages for applications up to 45W and 150W, respectively. Joining the MasterGaN1, MasterGaN2, and MasterGaN4, which target applications from 65W to 400W, the additions give extra flexibility to choose the optimum GaN device and driver solution when designing switched-mode power ...

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