Author Archives: steve bush

IAR Systems supports 64bit RISC-V with Embedded Workbench

IAR Systems is supporting 64-bit Risc-V and the RV64I base instruction set with Embedded Workbench. ‘Embedded Workbench for Risc-V’ version 3.10 is a C/C++ compiler and debugger IDE with code quality analysis tools, supporting RV64 cores from Andes, Codasip, Microchip, Nuclei and SiFive. “64bit support is an important milestone for our investment in the RISC-V technology ...

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600V super-junctions in DFN8x8 for servers

Alpha and Omega Semiconductor is aiming at servers with a pair of 600V super-junction mosfets in 8 x 8 x 0.9mm DFN8x8 packaging, with a Kelvin source. AONV110A60 has 110mΩ on-resistance, and AONV140A60 has 140mΩ. “Years ago, we could hardly imagine high voltage DFN8x8 devices widely adopted for server systems above 400W. People used packages such as TO-220(F) ...

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MEMS electrostatic relay switches 25W across dc to 18GHz

  Menlo Micro has released another MEMS electro-mechanical relay, this time a single-pole four-throw (SP4T) dc-18GHz switch. MM5120 will handle 25W (150W pulsed), according to the company, though its 5.2 x 4.2mm LGA package. Insertion loss is typically <0.6dB at 12GHz. IP3 linearity is said to be >95dBm. Contact movement is though electrostatic attraction, with the necessary ...

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Large sky blue perovskite LED, perhaps for lighting

Large-area sky-blue perovskite LEDs have been created at the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences. The precursor, a CsPb(Br0.84Cl0.16)3 solution using a custom solvent blend, was blade-coating onto a substrate where the substance crystallised into grains – halide amine additives controlled he growth of perovskite grains and passivate ...

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12bit PC acquisition cards offer 6.4Gsample/s

Spectrum Instrumentation has pushed PC-based data acquisition to 12.8Gbyte/s using 16-lane Gen 3 PCIe. “That is nearly twice as fast as any other PCIe digitiser currently on the market,” claimed the German company. “It allows the cards to continuously run at their maximum sampling rate of 6.4Gsample/s with 12bit resolution, and transfer the acquired data ...

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Arduino’s professional machine learning vision building block

Arduino is aiming at professional machine vision and edge computing with an intelligent camera board that can run TinyML for artificial intelligence. Called Nicla Vision and measuring 23 x 23mm, it is intended to stand-alone, image processing on the edge. “The STM32H747AII6 at the heart of Nicla Vision supports image-processing through its dual processor, including ...

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AMD Ryzen Threadrippers now have 64 cores and 128 threads

AMD has announced workstation processors with up to 64 ‘Zen 3’ cores and 128 threads. All within the Ryzen Threadripper PRO 5000 WX series. there are five devices, from the top-end PRO 5995WX down to the 12 cores and 24 thread PRO 5945WX (see table). “Enterprise security features, manageability and scalability, higher frequencies and an enhanced ...

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12mm circular connectors are waterproof for tough Ethernet

CUI has introduced waterproof M12 sized circular connectors for 1Gbit Ethernet. The CDM12 family offers male or female versions with a choice of 3, 4, 5, 8 or 12 pins. The panel-mount A-coded connectors are IP67 rated once mated to deal with harsh industrial and factory automation environments. Operation is over -25 to 80°C. PCB pin, solder ...

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GaN 500W conduction cooled ac-dc PSUs with PMBus

TDK-Lambda has announced 12V and 48V models of its 504W conduction-cooled PFH500F series of ac-dc power modules measuring 102 x 61 x 13.5mm (4 x 2.4in). Inside PFH500F-12 and PFH500F-48 are GaN power transistors, ‘bridge-less’ power factor correction and digital control, with digital isolators replacing optocouplers for reliability. Peak efficiency is 92%. PMBus is included for programming ...

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Tiny photo-relay for test and measurement

Omron is aiming at test and measurement with a miniature 200V 350mA mosfet opto-relay. In a 3.4 x 2.1mm P-SON (power small outline no lead) package and operating across -40 to +110°C, “this device can realise a current load of 75% higher than a comparable SOP4 type relay”, said the company, justifying this with the figure ...

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