Author Archives: steve bush

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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W-Fi and cellular modules are pre-programmed for Amazon IoT network

U-blox has announced two modules designed to enable AWS (Amazon web services) cloud services for device and fleet management. “For many businesses, connecting devices to the cloud remains challenging,” according to the company, claiming: “Existing solutions involve installing and maintaining dedicated software to manage connectivity on the devices. In addition, many legacy devices are too ...

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±65A isolated AMR current sensor in 3.3V and 5V versions

Aceinna has announced a ±65A isolated current sensor that uses AMR (anisotropic magneto-resistive) technology. “AMR technology has significant advantages versus approaches such as Hall, current transformer, and shunt resistor,” according to the company. “Compared to Hall-based current sensors, AMR provides significantly higher bandwidth and dynamic range. Compared with transformers, AMR offers reduced size and cost, as ...

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Low-noise one-axis accelerometers for industrial and inertial use

Silicon Designs has launched a series of low-g mems dc accelerometer chips. Model 1525 accelerometers come in ±2, 5, 10, 25 and 50g versions, and are aimed at low-frequency (including seismic) vibration and acceleration measurements in inertial and industrial applications: “particularly so where high-repeatability, low noise and maximum stability are required”, according to the company. ...

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PCB Ethernet connector for rail and industrial use

Smiths Interconnect has created the Intercompact series, a signal + Ethernet PCB connector qualified for demanding rail and industrial applications. The series has PCB-to-PCB and floating mount rack and panel parts, with bodies made from liquid crystal polymer. There are 60 and 41 way signal configurations with ‘Hypertac’ hyperboloid contacts. Described as compact, face-on the connectors ...

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Touch control ICs for harsh electrical environments get automotive approval

TouchNetix has got automotive AEC-Q100-6 qualification for its AX112 touch controller IC, which also includes hover sensing, force sensing and the control of haptic response. “Touchscreens based on the AX112 can support features such as pre-select, zoom-on-approach, dial-on-display and integrated haptic feedback without the need for additional hardware,” said the company. It “also supports the operation ...

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Complete camera-to-cloud people counting eval kit

Analog Devices has introduced a evaluation kit for people-counting using one of its DSPs. In a case and designed to be attached to a ceiling looking straight down, the kit includes a camera and everything needed to get the counted data to the cloud. Its main ingredients are a particular DSP from its Blackfin range, ...

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On Semi’s Bluetooth MCU scores high on low power

On Semi has introduced a Bluetooth wireless microcontroller, which has topped the charts on two of EEMBC’s benchmarks. Dubbed RSL15, it has Arm’s secured Cortex-M33 processor running at 48MHz, plus Bluetooth Low Energy 5.2 wireless. “RSL15 was certified by the Embedded Microprocessor Benchmark Consortium,” said On Semi. “The ULPMark CoreMark measures the energy efficiency of microcontrollers ...

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