Author Archives: steve bush

Silicon Labs wins IoT security certification from PSA and ioXt Alliance

Silicon Labs has earned IoT security certifications from both PSA Certified and the ioXt Alliance. The company’s ‘Secure Vault’ is a suite of security features including: secure boot based on hardware root of trust, secure debug, physical tamper, secure identity for attestation, and physically unclonable function (PUF) key management. It will feature in Wireless Gecko ...

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A tale of two low-power temperature sensors

Maxim has announced a pair of temperature sensors, one accurate with an I2C bus, and the other with a multi-drop 1-Wire interface. MAX31889 is accurate: ±0.25°C accuracy from -20°C to +105°C ±0.65°C accuracy from -40°C to +125°C 16bit resolution 32 word temperature data FIFO high and low threshold temperature alarms 1.7V to 3.6V operation 68µA ...

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TT Electronics gets PSU design-and-qualify contract from BAE Systems

TT Electronics has been awarded a contract from BAE Systems for the design, development and qualification of a flight control system dc-dc converter to support project Tempest, the UK-Italian fighter aircraft concept. “All this work will be completed in the UK,” TT Electronics marketing manager Josh Slater told Electronics Weekly. The aircraft consortium, called Team Tempest, includes BAE Systems, Rolls Royce, Leonardo, and MBDA, ...

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Desktop PSU for home medical appliances has 2x MOPP

Intended to partner home healthcare products, California-based TrumPower has released a family of medically-approved IP54 rated desktop ac-dc adaptors. Inputs range over 90 – 264Vac and 47 – 63Hz (drawing 2Arms at 115V and 1A at 230V). Power handling varies slightly with output voltage, spanning 132-150W across the family as voltage rating varies from 12V to ...

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UK made: TorqSense by Sensor Technology

TorqSense is torque sensor from Sensor Technology, based in Oxfordshire. It is wireless, needing physical with the shaft being monitored. If you manufacture in the UK, please read to the bottom Instead, two two surface acoustic wave (SAW) devices are attached to the shaft and are interrogated through an RF link to the stationary electronics inside ...

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Reader-friendly guide to open-source hardware DIN Spec.

A reader-friendly guide to the recently-announced open-source hardware specification DIN Spec 3105 has been published, written on behalf of the Journal of Open Hardware by Jérémy Bonvoisin of the University of Bath, one of the many contributors to the specification in which German standards organisation Deutsches Institut für Normung solidly defines what ‘open-source hardware’ is, and what isn’t. The ...

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Siglent adds lower-cost spectrum analysers

Siglent Technologies has added a pair of RF analysers to its range: an entry-level spectrum analyser, and a lower-end real-time spectrum analyser. SSA3032X-R (photo right) is the real-time spectrum analyser, with a maximum bandwidth of 9kHz to 3.2GHz (as opposed to 5GHz or 7.5GHz in the company’s faster real-time (‘-R’) versions. Specs shared with its ...

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3W dc-dc converters with 3kV isolation, 4:1 input range and 2MoOP

Cosel has announced a series of high isolation 3W dc-dc converters for medical and industrial applications. Isolation in the MH3 series is 3kVac and 4.2kVdc, and for medical applications the parts offer two means of operator protection (2x MoOP, 250Vac) isolation to IEC60601-1 3rd edition. There is a choice of input ranges, each spanning a ...

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Sub-GHz wireless MCU for two-layer boards supports LoRa

STMicroelectronics has added a QFN48 package to its STM32WLE5 wireless SoCs. Called STM32WLE5Cx “the new 7mm x 7mm package option makes it suited to a simplified two-layer board design that eases manufacturing”, according to the company – ‘x’ decides how much flash is available. These chips combine an ARM Cortex-M4 STM32L4 microcontroller with Semtech’s SX126x ...

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Sensor for Pb ions finds pollution in muddy water

Lead pollution in rivers can be measured in minutes using a proof-of-concept sensor from Rutgers University in New Jersey. It is designed to work directly with sediment – in which Pb pollution tends to gather, and which gets disturbed during activities such as dredging. One of the time consuming parts of sensing in water with ...

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