Author Archives: steve bush

Narrow beam IR LED for security cameras

Osram has added to its Oslon Black portfolio for infra-red illumination with a ±25° beam version – called SFH 4718A – narrow enough to do away with secondary optics for cameras with a medium capture range, according to the firm. “With the addition of the SFH 4718A, the Oslon Black portfolio now comprises three wavelengths ...

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Glasgow flexible supercapacitor uses graphene foam

Researchers at The University of Glasgow have created a flexible supercapacitor based on graphene foam, and have combined it with a flexible solar cell to form a power source for wearables. The capacitor uses layers of flexible, three-dimensional porous foam formed from graphene and silver. Capacitance was 38mF/cm2, according to the paper ‘Flexible self-charging supercapacitor based ...

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Tektronix scope has four 8GHz channels, with 25Gsample/s on each

Tektronix is offering four 8GHz channels on its latest scope range, with simultaneous 25Gsample/s on each channel. “For example, a DDR3 clock and three DDR3 data channels can be viewed and analysed simultaneously, decreasing the time it takes to fully characterise a design with an instrument that shares sampling systems between channels,” said the firm. ...

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16 12bit DACs in the same package

AD5767 from Analog Devices includes 16 12bit voltage output DACs in the same package, and is intended to reduce the system footprint for wired telecommunications systems, providing the necessary bias ranges for the coherent fibre-based medium and long-haul optical systems – particularly indium phosphide Mach-Zehnder modulator biasing. “The DAC delivers a broad range of unipolar or ...

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AMS gets more from its VOC sensor ICs

AMS has boosted the performance of its existing CCS801 and CCS811 volatile organic compound (VOC) sensor IC with up-dated software. The chips sense a relative value for total VOC (TVOC), or equivalent CO2 (eCO2) Two things have changed: The 48hour initial burn-in period have been cut to an hour for three of the five operating modes. Air quality ...

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Transceivers aim at 25-33GHz and 37-43GHz for 5G NR research

National Instruments is aiming at 5G NR research and prototyping with two series of millimeter wave (mmWave) radio heads that stretch coverage of its existing mmWave Transceiver System, across 24.5-33.4GHz and 37.0-43.5GHz. “As the first phase of 5G NR wraps up and the 3GPP finishes defining the communications protocol, the standards body also has identified specific ...

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2MW battery makes and saves money at UK fab

LED-maker Plessey has added a 2MW ‘behind the meter’ (BTM) battery to its Plymouth fab. The battery power will earn revenue through a frequency response balancing contract with National Grid and help Plessey reduce its energy costs through peak-shaving of power supply in response to fluctuations in demand. Amber Infrastructure Limited provided funding for the ...

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UK e-automotive firm welcomes EU truck CO2 limits

UK electronics and electric motor maker Avid Technology is offering its services to heavy duty vehicle manufacturers towards meeting the recent European Commission legislation for mandatory reductions in CO2 emissions. “Because heavy duty vehicles cover huge distances each year, the corresponding CO2 emissions are very high,” said Avid. “The announcement, a European first, means businesses manufacturing ...

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Led driver puts out 1.6A at up to 38V, from 5-38V

LTM8005 from ADI operates from a 5V to 38V input voltage range and can deliver up to 1.6A of regulated output at up to 38V – provided the necessary external capacitors and inductor are added, and the maximum 10A switch current is observed. Buck-boost, buck and SEPIC topologies are also available from the same module, ...

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Has Norway discovered the X factor for silicon-Li-ion cells

Norwegian researchers have discovered a way to stabilise silicon anodes for Li-ion batteries, according to the country’s Department of Energy Technology (IFE). Silicon anodes have the potential to far-exceed the lithium ion storage capacity of carbon anodes, if only they didn’t change size so much as they absorb the ions – as this physical swelling ...

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