Author Archives: steve bush

Parabolic antennas cover 600MHz to 6.5GHz for 2G, 3G, 4G and 5G

Raltron has developed a parabolic antenna series that provides continuous coverage from 600MHz to 6.5GHz. There are two antennas in the ‘RGP’ series: RGP-MBF4-825-17F-TA-001 820mm round, 215mm deep Heavy duty version – one-piece dish RGP-MBF4-6099-17F-TA-001 ~0.6 x 1m rounded rectangle, o.4m deep Two-piece dish Both cover the whole frequency range, but can be optimised for ...

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Compact n-channel mosfets for vehicle ECUs

Toshiba had developed n-channel mosfets for automotive applications, based on its U-MOSVIII-H process. XPN3R804NC (40A abs max) and XPN7R104NC (20A) are rated for 40V operation XPN6R706NC (40A) and XPN12006NC (20A) are rated for 60V operation “They all exhibit extremely low on-resistance values,” according to the company, “reaching down to 3.8mΩ for the XPN3R804NC at 10V, ...

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dc-dc converters have 8:1 input range for military, industrial and rail

Cincon has a pair of dc-dc converters with an 8:1 input range, intended for applications in industrial and military environments. They are: CQB75W8 75W quarter-brick 10mA no-load power consumption 3,000Vac input to output isolation CHB150W8 150W half-brick 1,500Vdc input to output isolation “Both have an input range 9V – 75Vdc, making them suitable for all common ...

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Arm-based edge IoT gateway

Taiwan-based Aaeon has introduced an edge IoT gateway built around an 800MHz Arm Cortex-A8 processor. Called SRG-3352, “this innovative processor reduces the energy requirements of the system, saving electricity costs and allowing the system to be deployed with solar power or battery operated. With very little heat output, the system can operate in a wide ...

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Vishay reveals 1.7mΩ p-channel mosfet in SO-8

Vishay has introduced a 30V p-channel power mosfet with an on-resistance of 1.7mΩ at 10V, claiming it to be the first ever. Called SiRA99DP, it comes in a thermally-enhanced SO-8 package and uses the company’s fourth-generation TrenchFET process. “Combining this low Rds(on) with a gate charge of 84nC, the SiRA99DP delivers best-in-class gate charge times on-resistance of ...

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News – Electronics Weekly 2020-08-17 15:57:29

Swiss scientists have had a computational look at two-dimensional materials, like graphene, to see which will make the best transistors. From 100 candidate compounds, 13 show promise – in some cases more promise than the predicted trend of silicon finfets. The team, from ETH Zurich and EPFL (École Polytechnique Fédérale de Lausanne), modelled current versus voltage characteristics ...

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SiFive founds business unit to mix Risc-V and Arm cores on silicon

SiFive has launched a self-contained and autonomous business unit to build silicon with Arm, RISC-V and other instruction set architectures (ISAs) for heterogeneous mixed-ISA designs. It is to be called OpenFive and is described as “ISA-neutral and Risc-V agnostic,” by SiFive: “Put simply, SiFive will deepen its focus on Risc-V IP, while OpenFive expands the opportunity for ...

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Metallised polyester capacitors for general purpose use

Streamline Avionics (formerly Elpac Capacitors) has a series of general purpose metallised polyester film capacitors for filtering, coupling or bypassing in high or low impedance circuits within ac or dc applications. Called Z Series, they are available in three forms – axial oval wrap-and-fill, axial round wrap-and-fill and radial moulded box. They can be used in “applications ...

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Large-scale automotive Li-ion battery plant could be built in Wales

Start-up Britishvolt and the Welsh Government have signed a memorandum of understanding over plans to develop a 30GWh battery manufacturing plant and 200MW solar farm at a former RAF base (Bro Tathan) in the Vale of Glamorgan. Nominally called the ‘GigaPlant’, it will be situated in 80 hectares of industrial park, “with a production capacity ...

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X-ray sensors for inspection in tough environments

Waygate Technologies (was GE Inspection Technologies) has launched two portable X-ray direct radiography detectors. DXR75P-HR has a 7” x 9” detector with 75μm pixel resolution. It supports ISO 17636-2 class B for weld inspection. DXR140P-HC is 14” x 17” with 140μm pixel resolution. It can be used with X-ray as well as isotopes, and is aimed at corrosion monitoring. Both detectors ...

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