Author Archives: steve bush

Smart meter identifies household appliance by harmonics

UK consultancy 42 Technology is identifying household appliances through their mains harmonics and time-domain behaviour – the technique is good enough to tell if a vacuum cleaner is full or empty (right). “We have tested it on a range of devices and been able to identify several as being unique,” project manager Tom Copeland told ...

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3D lidar sensor form Pansonic

Panasonic has announced a 3D lidar sensor for autonomous robots, capable of scanning 60° vertically and 270° horizontally. Applications in industrial forklifts, mobile robotics, construction and smart buildings are expected. Because the firm sees this as a sensor for robots that work indoors and outdoors, it is capable of detecting objects up to 50m away, as well ...

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17 qubits from Intel quantum computing collaboration

Intel has delivered a 17-qubit superconducting test chip for quantum computing to Dutch lab QuTech. “The chip was fabricated by Intel and features a unique design to achieve improved yield and performance,” said Intel. “The delivery underscores the importance of material science and semiconductor manufacturing in realising the promise of quantum computing.” Qubits are fragile, ...

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Power detection works across 9kHz to 7GHz in both directions

Analog Devices has introduced a 9KHz-7GHz directional bridge and dual RMS RF power detector that can simultaneously measure forward and reverse power levels in a signal path along with return loss. ADL5920 detector represents a change to conventional approaches by integrating a directional bridge-based coupler which integrates the coupling or sensing function with the detection function ...

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Automotive sensor-less, brush-less controller for 3Φ DC motors

Allegro has introduced a three-phase, sensor-less, brush-less DC motor controller for automotive use with engine cooling fans, and oil and water pumps. Called A4964, it works with external n-channel mosfets and is designed to work in systems where a small microcontroller provides communication to a central  electronic control unit (ECU), plus intelligent fault and status handling. It provides ...

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EuMW: Rohde & Schwarz tests automotive radar

Rohde & Schwarz is developing a range of automotive radar testing equipment. According to the firm, soon-to-be-available is something for analysing radomes, and a multi-dimensional automotive radar echo generator. The AREG100A automotive radar echo generator, previewed at European Microwave Week in Nuremberg, is aimed at end-of-production-line testing for all automotive radar bands  – 24, 76 ...

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Bluetooth 4.2 module works on 3.3mA

Panasonic is claiming a record low power for its latest Bluetooth module, which has a peak consumption of 3.3mA in receive or transmit mode. Supporting mandatory and optional Bluetooth 4.2 features, PAN1760A is intended to add wireless function to IoT, medical and industrial applications. The 15.6 x 8.7 x 1.9mm surface-mount device is based on Toshiba’s ...

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64bit quad-core Risc-V for Linux

SiFive has released an open-source RISC-V architecture 64bit, quad-core application processor aimed at full-featured operating systems such as Linux. “RISC-V is a free and open instruction set architecture [ISA] designed to enable chips across the full spectrum of computing devices, from embedded devices to the data centre,” said the firm. “The release of the U54-MC Coreplex ...

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GaN-on-Si RF power transistor hits 500W for radar

Macom has announced a 500W (peak) GaN-on-Si power transistor for pulsed L-Band airport surveillance radar at 1.2-1.4GHz. Called MAGX-101214-500, greater than 70% power efficiency is claimed during 50V pulsed operation. “Supplied in a small-footprint ceramic flanged package and supporting matching structures that minimise circuit size, MAGX-101214-500 transistors help to enable rugged, compact radar systems underpinned with ...

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Dc-dc converter takes up to 60V in and makes down to 0.8V, at 10A

Vishay has announced buck converters running from 4.5-60V and supplying, depending on version, between 2 and 10A. Inside the family are a pair of n-channel trench mosfets and a controller, all in a 5x5mm MLP55-27L package. The devices are: SiC464 (2A), SiC463 (4A), SiC462 (6A), and SiC461 (10A). Adjustable output voltage is 0.95xVin down to ...

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