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Testing

Lidar detects reflections from single atoms at 100km, even in daylight

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Seeking to measure high altitude winds 24 hours a day, the German Leibniz Institute for Atmospheric Physics (IAP) has created a lidar that can measure temperature and wind using returns from stray metals in the atmosphere at concentrations as low as one atom/cm3 100km away, according to German test and measurement firm Spectrum which provided electronics for the instrument. Lasers at ...

Farnell element14 adds 160MHz ARBs from Aim TTi

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Farnell element14 has added  Aim TTi TGF3000 series of dual channel arbitrary function generators to its instrumentation range. The TGF3000 series initially consists of two models, the TG3082 (dual channel, 80MHz, 14 bits / 400MS/s) and TG3162 (dual channel 160MHz, 16 bits / 800MS/s), with two channels that can operate as independent generators or in coupled or tracking modes. Channel ...

Large hadron collider beams – made in Switzerland, monitored by Germans

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Over 140 digitiser cards from Spectrum Instrumentation are being used to protection systems in the Large Hadron Collider (LHC) at CERN. The needle-like particle beams within the LHC contain huge amounts of energy – 350MJ, about as much as the Flying Scotsman at full speed – and cannot simply be turned off. Instead, each is deflected and defocussed down a ...

Two robots test moving dynamically-steerable 5G antennas

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The US National Institute of Standards and Technology (NIST) is using twin robots to test reconfigurable 5G communications antennas. Among its capabilities, the system, called Large Antenna Positioning System (LAPS) can test transmissions to and from antennas located on fast-moving mobile devices – requiring coordination between the timing of communication signals and robot motion. “Measurements of antenna signals are a ...

Finnish battery start-up raises €500,000

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One year-old lithium-ion diagnostic startup Akkurate of Turku Finland, which specialises in the testing, optimising, and analysing of lithium batteries, has raised €500,000. Investors include Finnish Lifeline Ventures, Suffice International from Hong Kong and the Lappeenranta University of Technology investment company Green Campus Innovations.  The start-up was born out of Microsoft’s takeover of Nokia. “The number and size of batteries ...

Undergraduate students demonstrate good EMC design techniques

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A group of undergraduate students recently proved that good EMC design techniques, as outlined in EMC Standards’ “good EMC PCB design” textbook, prevent project delays, risks and costs. A practical laboratory exercise for undergraduate students was taken from: “Teaching EMC using an EMC demonstration unit”, a paper submitted for the 2018 APEMC/IEEE symposium in Singapore. Students had to design a ...