Author Archives: steve bush

More on: Thin-film source-gated transistor promises denser circuits

Announced yesterday, researchers from Surrey and Cambridge universities and the National Research Institute in Rome have used thin-film source-gated transistor (SGT) to create compact analogue circuit building blocks that can be used on flexible substrates. Source-gated transistors – SGTs – are uni-polar – they only need n or p-type semiconductor, not both. The research team ...

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50MHz Tek scope for

Tektronix is aiming at educational institutions, embedded design engineers and the maker community with an entry-level oscilloscope series. Called TBS1000C, and part of the TBS1000 range, they have a 7inch WVGA colour display (10 x 15 divisions), a choice of bandwidths across 50MHz to 200MHz (200MHz in photo) and up to 1Gsample/s. “This series has dedicated ...

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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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100µF 63V conductive polymer electrolytic capacitor in 10 x 12.5mm SMD case

Panasonic is to add a smaller case size to ZS-Series of SMD conductive polymer hybrid electrolytic capacitors. Remaining 10mm in diameter, the new case is 12mm rather than 16mm tall. “The effect of the smaller size of ZS-series is to deliver higher performance while keeping the premium PCB real estate in check with a few ...

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Fan-less industrial PC has fan-cooled GPU extension option for AI

OnLogic of Vermont is aiming at industrial IoT and edge computing with a series of fan-less compact PCs. Powered by Intel’s 10th generation Comet Lake processors, the Helix HX500 Series is 210 x 51 x 154mm and flexible on power requirements – accepting between 12 and 24V at 60W max continuously, or up to 120W peak. ...

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A low-power AI alternative to neural networks

Researchers at the University of Newcastle have implemented a non-neural-network hardware that can significantly cut the power consumption of artificial intelligence. The team trained a neural network, and their technology – a ‘Tsetlin machine’ – to recognise hand written digits from the standard MNIST data set. “Using an out-of-the-box neural network we could less than ...

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High dynamic range 30MHz to 6GHz transceiver for critical comms

Analog Devices has revealed the first product in a series of wide dynamic range RF transceivers – receiver dynamic range is -150dBc/Hz. The 30MHz to 6GHz part is called ADRV9002, and is aimed at mission-critical applications, such as first-responder radios, private LTE networks and satellites. “The difficulty for mission-critical networks to decipher complex signals increases as ...

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Capacitor stacks offer up to 220μF for PSU filtering

Knowles is saving space in power supply PCBs by offering edge-stacked ceramic capacitor assemblies. Intended for filtering in the input and output stages of switch-mode PSUs,  the parts are the ‘SV’ series. “The assemblies can be made with up to 10 chips of the same size with various lead configurations to safeguard against thermal and ...

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