Ampleon has introduced tough 1.4 and 1.6kW LDMOS RF amplifiers, designed to handle 65:1 VSWR. The ART1K6x series each include a pair (p-channel + n-channel) of mosfets. They operate from 1MHz to 450MHz in 48V Class E and 55V Class AB applications. “The maximum Vds figure supported being 177V. They can cope with a 65:1 VSWR, ...
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South Korean scientists have made a durable super-stretchable, twistable ac electroluminescent light emitter. The secret is mechanically-reinforced ionogel conductors, according to Pusan National University, where the emitter was developed. “We developed stretchable and durable conductive ionogels with a double-network structure, which is achieved by combining stretchable soft polymer network with stress-resistive hard polymer network,” said researcher Jinhwan ...
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Alpha and Omega Semiconductor has announced USB Type-C Power Delivery sink protection switches using ideal diodes for reverse current protection. There are two: AOZ13984DI-02 and AOZ13987DI-02, both in 3 x 3mm thermally-enhanced DFN packaging. Inside is a control IC co-packaged with back-to-back mosfets, and reverse current under fault conditions can be blocked while working at up to ...
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REO’s BWD158 range of aluminium-clad water-cooled resistors are built to dissipate up to 60kW continuously. They are sealed to IP65 in an anodised aluminium housing and all connections and fixings are either stainless steel or anodised aluminium to protect against corrosion. Resistances between 2 and 850Ω are available, and different sizes have power ratings from 1kW ...
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MikroElektronika has released a ‘Click’ board intended to demonstrate the Wi-Fi and Bluetooth capabilities of Microchip’s ATWINC3400-MR210CA module. Called Wi-Fi 8 Click, it joins 15 other Wi-Fi clicks available from Mikroe. ATWINC3400-MR210xA is Bluetooth 5.0 certified and includes an IEEE 802.11 b/g/n RF-baseband- MAC (medium access control) network controller. Power amplifier, low-noise amplifier and transmit-receive switch ...
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Onsemi is to buy silicon carbide producer GT Advanced Technologies for $415m in cash. “This transaction reflects our confidence and stated commitment to meaningfully invest in silicon carbide solutions to support the creation of intelligent power and sensing technologies to help build a sustainable future,” said Onsemi CEO Hassane El-Khoury. “GTAT brings outstanding technical capabilities ...
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Korea’s Institute for Basic Science (IBS) has grown what is thought to be the most perfect artificial graphene yet – with no wrinkles, folds or ‘adlayers’ (islands of multiple-layer graphene) – using a process that appears to be scalable to larger quantities. The same team, from IBS’s Center for Multidimensional Carbon Materials (CMCM), had previously reported single-crystal ...
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Diodes has introduced ICs that extend the physical range of PCIe 3.0 and SATA3 connections, while meeting Microsoft’s ‘modern stand-by mode’ requirements. Operating from a 3.3V rail, in stand-by mode, the 1-lane (or 2 channel) PI3EQX12902E consumes 1.7mW, whihc rises to 3.3mW for the 2-lane (4 channel) PI3EQX12904E. A pin selects PCIe 3.0 or SATA3 mode, ...
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Stackpole Electronics is pitching its 1W-rated CSSH0805 all-metal 0805-size chip resistor family against 1206 and 2010 parts for current sensing. It comes in three temperature coefficient versions: ±100ppm types are rated up to 44.72A (89A over-load) and are available between 500μΩ and 1mΩ in 1, 2 and 5% tolerances ±75ppm types are rated up to 25.81A (51A ...
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Lockheed Martin has created a novel millimetre-wave dish antenna for satellites and ground terminals, particularly for space-based 5G communication. Called ‘wide angle ESA fed reflector’ (Waefr), it is a hybrid of a phased array electronically steerable antenna (ESA) and a parabolic dish, and is claimed to increases coverage area by 190% compared to traditional phased ...
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