Author Archives: steve bush

Computer-on-modules get RTOS for functional safety and cybersecurity

Congatec and RTOS company Sysgo have teamed up to provide Arm and x86 platforms tailored for functional safety and cybersecurity requirements. “This cooperation makes great sense for both partners, now that the latest platforms from NXP and Intel make it possible to develop functional safety-critical systems without additional hardware,” said Congatec marketing director Christian Eder. ...

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Electrically-conductive elastomer gasket CAD models

Chomerics has released 11,000 CAD models of its electrically-conductive elastomer gaskets. “Modelling a complex profile in 3D gives design engineering teams an opportunity to run simulations of the gasket’s performance in the enclosure,” according to the company. “With designs and profiles becoming smaller and enclosures requiring greater performance, the ability to spec-in a profile utilising ...

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1% Zeners from Nexperia

Nexperia has announced ±1% Zener diodes from 1.8 to 75V in E24 steps. BZT52H-A SOD123F 2.6 x 1.6 x 1.1mm (plus leads) and BZX384-A SOD323  1.7 x 1.25 x 0.95mm (plus leads) are described as the company’s ‘A-selection’, hence the suffix in the name. “By replacing B- or C-selection devices with pad compatible A-selection Zener devices, ...

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Low-power battery charge chip suits many chemistries, including EnerCera

Rohm has created a battery charge IC for small low-powered products such as wireless ear buds and smart displays – its package is only 400μm tall. Called BD71631QWZ, it is a general purpose linear chip that can be powered from 2.9 to 5.5V and be resistor-programmed to deliver from 2 to 4.7V. “In recent years the need ...

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XMOS launches voice processors for smart devices

Bristol-based XMOS has introduced a pair of two-microphone voice processor chips for smart home devices. They are the XVF3610 (demo board right), and an Amazon wake-word-enabled variant called XVF3615. According to XMOS, Amazon’s Alexa includes the earlier XVF3510. “The designs mark an evolution of the XVF3510 voice, and provide audio echo cancellation and interference cancellation algorithms to ...

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Rubidium at the heart of signal generator

Anritsu has introduced a signal generator family with a rubidium local oscillator option that works across 9kHz to 43.5GHz. Branded ‘Rubidium’, internal time base aging is <±2×10-8/year with option 0003 (low phase noise kit) or <±1×10-9/year with option 0056 (rubidium local oscillator). “This frequency stability is achieved either by an optional internal rubidium reference or by ...

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Raspberry Pi OS updated: camera and video access simpilfied

Raspberry Pi OS, the custom operating system for Raspberry Pis, has had a major upgrade. It is now based on Debian Bullseye, Linux which has replaced two year old Debian Buster. “Debian Bullseye has relatively few major changes which are visible to users,” according to Raspberry Pi. “There are some under-the-hood changes to file systems ...

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Triboelectric clothing is breathable for comfort

Electro-spun fibres are a promising candidate for cloth-based tribo-electric nanogenerators (TENGs) according to the University of Fukui. Electro-spinning involves drawing solutions of polymers into fibres using electrical charge. The researchers have developed an all-fibre composite layer TENG that can be integrated with normal cloth. “With our work, we are aiming to provide a new point of ...

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Infineon improves 100V mosfets with OptiMOS 6

Infineon is aiming at high switching frequency applications dc-dc converter applications such as telecom and solar with its OptiMOS 6 family of 100V mosfets. Compared with OptiMOS 5, the company is claiming: Rds(on) better by 18% Qg x Rds(on) better by 29% Qgd x Rds(on) better by 42% “In a 600W, 36-60V to 12V zero-voltage switched buck-boost converter, OptiMOS 6 in SuperSO8 ...

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UL Approved cables from Northamptonshire

Nicab of Northamptonshire can now UL-certify the cable and wire harness assemblies that it makes in-house. To do this it achieved UL ‘traceability accreditation’, joining other companies that are audited four times a year to maintain authorisation to put UL Certification labels on product packaging. “We are incredibly proud of this achievement, which is a continued ...

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