Author Archives: steve bush

Imagination offers Risc-V core IP

Imagination Technologies has announced Risc-V CPU intellectual property for SoC companies. Branded Catapult, it is a “product line designed from the ground-up for next-generation heterogeneous compute needs,” according to Imagination. “Leveraging Imagination’s 20 years of experience in delivering complex IP solutions, Catapult CPUs can be configured for performance, efficiency or balanced profiles.” There will be ...

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Mikroe rents development hardware on-line for live remote project work

MikroElektronika, the development hardware company behind Click boards and mikroBUS, has put suites of its high-end development boards on-line to offer them as rentable remote hardware – known as ‘hardware as a service’, and in this case called ‘Planet Debug’. This is not simulated hardware, but real hardware on which user code can be developed and debugged, ...

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30W dc-dc converter for railway and industrial use

P-Duke has announced a rugged 30W dc-dc converter in a 1 x 1inch (~25 x 25mm) package for railway and industrial applications. Called the RCD30W series, the converters have 4:1 input voltage ranges suited to rolling stock, with a choice of 9-36V, 18-75V or 36-160V. There are single and dual output models including: 3.3, 5, 5.1, ...

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Another reason why Li-ion cells don’t like fast charging

Argonne National Laboratory has been looking into lithium-ion cells in great detail, and its scientists have found a nano-scale deterioration mechanism to add to the reasons that fast-charged Li-ion batteries degrade in electric vehicles. In use, lithium ions move in and out of the anode, which is usually made from graphite particles. The ions slide ...

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Superjunction mosfets for server power supplies

Alpha and Omega Semiconductor has announced a series of super-junction power mosfets. Branded αMOS5, its first members are both 600V 250A transistors in TO-247 packaging: the 40mΩ AOK040A60, and the 42mΩ AOK042A60FD ‘fast body diode’ device – reverse recovery is typically 252ns (25A, 100A/μs, 400V) compared with 525ns in the 40mΩ part. “The optimised capacitance of the 40mΩ ...

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Bird robot perches like the real thing, and and catches prey

Stanford University engineers have created a robot bird that can use its feet to perch and carry things. “It’s not easy to mimic how birds fly and perch,” said Stanford engineer William Roderick. “After millions of years of evolution, they make take-off and landing look so easy, even among all of the complexity and variability ...

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Copper bonded to PTFE for 5G digital and RF PCBs

Researchers from Osaka University have found a way to bond copper foil to notoriously slippery polytetrafluoroethylene (PTFE). The aim is to improve the bandwidth of PCBs. “Copper is the go-to wiring material for printed wiring boards because it is highly conductive, so the focus for improvement is to decrease transmission loss from the support material,” ...

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Brain chip combines microfluidics and electrodes

Researchers at the Korea Institute of Science and Technology (KIST) have micromachined a multi-functional brain chip with microelectrodes for recording electrical activity, microfluidic channels for sampling extracellular fluid, and a microfluidic interface chip for multiple drug delivery and sample isolation. The cerebrospinal fluid, which is tested for neurotrasmitters, is extracted at a low pressure to minimise channel blockages from prolonged use. ...

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