Author Archives: steve bush

4.5GHz real-time spectrum analyser from Rigol

Rigol has introduced a 4.5GHz spectrum analyser with 10MHz of real-time analysis bandwidth, which can be upgraded to 40MHz at any time, and there is an optional tracking generator. The instrument is part of a new family, called RSA3000, which also includes a 3GHz version and follows on from the higher spec RSA5000 family announced earlier ...

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500MHz scopes from Rigol

Rigol has introduced scopes with up to 500MHz bandwidth and a 10.1in colour touch display. There are eight instruments in the DS7000/MSO7000 family, all with four channels and rated at either 100, 200, 350 or 500MHz. MSO versions also have 16 digital channels. Memory up to 500Mpoints is available. Sampling, which is at up to ...

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US grabs back supercomputer crown

Summit, the worlds most powerful computer, with peak processing at 200Pflop/s, has been unveiled at Oak Ridge National Laboratory in the US. “For certain scientific applications, Summit will also be capable of 3.3Eop of mixed precision calculations per second,” said the lab. The IBM AC922 system consists of 4,608 servers, each containing two 22 core ...

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MIT watches people walk through walls

MIT is using radar and artificial intelligence to sense people’s postures and movement, even through a wall. Led by Professor Dina Katabi from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL). the project, ‘RF-Pose’ can mimic a real person as they move, creating a dynamic stick figure that walks, stops, sits and moves its limbs. ...

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R+S scope hits 8GHz and a million waveform per second

Rohde & Schwarz has introduced a high-end four-channel oscilloscope family with up to 8GHz bandwidth, and an acquisition rate up to a million waveforms per second – aiding the detection of sporadic errors. Maximum sample rate is 20Gsample/s and maximum memory is 2Gsample. Called ‘RTP‘, it includes real-time compensation for transmission losses between the signal ...

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Tough connector integrates into clothing

LP360 is the first of the Fischer Freedom series of connectors which have been designed to integrate with clothing. Designed for easy connection, the key-less plug and socket can be presented to each other as any angle around the mating axis “ensuring that the cable can always go straight to the device. No more twists ...

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3A buck converter in 1 x 2 x 3mm package

Texas Instruments has introduced a 3.8 to 36Vin synchronous dc-dc buck regulator in a 1 x 2 x 3mm thermally-enhanced quad flat no-lead (QFN) package – with wettable flanks for post-solder optical inspection. Called LMR33630, and capable of delivering up to 3A, 75mΩ and 50mΩ power switches are integrated, efficiency is up to 92% and switching ...

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Memristors key to nano-scale analogue/digital adaptive hardware

Adding analogue processing to digital hardware is the key to adaptability and maximum battery life in the nano-scale age, according to the University of Southampton, which is advocating memristors and charge-based processing as the way to do it. Memristors are non-volatile electrically-adjustable resistors. Made from metal oxides, they scale well and are proposed as memory ...

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Sound wave coupling enables all-silicon laser

Yale scientists have uses sound waves to amplify light in a new type of silicon laser for photonic ICs, side-stepping the problem of silicon’s indirect bandgap. “Silicon’s intrinsic properties, although very useful for many chip-scale optical technologies, make it extremely difficult to generate laser light using electrical current,” said Yale scientist Nils Otterstrom. “It’s a ...

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Frequency hopping once per bit foils hackers

MIT researchers have developed a novel transmitter that frequency hops for each individual 1 or 0 bit of a data packet – so once per microsecond for 1Mbit/s, “which is fast enough to thwart even the quickest hackers”, according to MIT. The system can protect against selective jamming. For example, explained the University, Bluetooth LE ...

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