Plextek RFI sold to CML

Cambridge-based Plextek Group has sold one of its spin-outs, the boutique microwave chip design business Plextek RFI to CML for an undisclosed sum. Plextek RFI was founded from within Plextek by Liam Devlin some twenty years ago and demerged into a separate limited company in 2015. It has earned a reputation for right-first time designs ...

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ISSCC: Computational imaging by THz array

Researchers from the University of Wuppertal in Germany have created a THz signal source array for computational imaging, which allows a single-pixel camera – one THz receiver – to form images. This type of computational imaging involves bathing the object to be photographed in varying light fields and measuring the amplitude of light that passes ...

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ISSCC: Analogue on-chip LDO beats back digital onslaught

While digital on-die point-of-load converters are trending, analogue designs are far from finished. Digital low-dropout (DLDO) regulators appeared a few years ago and looked to be the future for on‑die point‑of‑load regulators on digital chips (see ISSCC 2020 DLDOs further down). However, a team at Seoul National University has turned the tables with a novel agile ...

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ISSCC: GaN power chip integrates control

A monolithic GaN mains power converter IC was the target of Leibniz University Hannover, which worked with Texas Instruments. And the result is a 15W off-line PSU that can feed a 30-60V LED string with 140‑190mA from 60-400V AC or DC. Efficiency is 95.6% at low input voltage, and not dropping below 87.8% all the ...

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Dialog expects supply chain to be back to normal by the end of the month

Dialog told Reuters yesterday that it expects its foundry partners and other suppliers to be back to normal in Q2. The expectation parallels Foxconn’s statement on Monday  that it expects a return to normal working in its China factories by the end of the month. Foxconn said  its factories are currently operating at about 50% of ...

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Oscillators on 48 hour lead-time

SiTime has 48-hour availability for MEMS oscillators. Previously, customers had to wait up to 20 weeks and sometimes pay NREs to get oscillators that were configured to their exact requirements. With 48-hour availability for samples and low-volume production quantities, industrial and IoT customers can dramatically accelerate their time to revenue. “We are excited about our ...

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