Author Archives: steve bush

mmWave synthesiser chip covers 172MHz – 18GHz

Renesas has introduced a mmWave synthesiser for 5G and broadband wireless applications. “We developed our 8V97003 for mmWave radios, ensuring it meets demanding frequency range, phase noise, and output power requirements,” said Renesas v-p of timing products Bobby Matinpour. “8V97003 is particularly well-suited for emerging applications above the 6GHz carrier frequency, including broadband wireless, microwave ...

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Microchip aims to simplify secure IoT product development

With the design of secured IoT products in mind, Microchip has announced range of cloud agnostic embedded development products that connect through Wi-Fi, Bluetooth or narrow-band 5G. “From the smallest PIC and AVR MCUs for sensors and actuators, to 32bit MCU and MPU gateways for edge computing, the company is making it possible for developers ...

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Transimpedance amplifiers for 100-800Gbit/s optical comms

Macom has introduced transimpedance amplifiers for optical comms ranging from 100Gbit/s DR1 to 800Gbit/s DR8 and FR8. There are two parts, which come in flip chip and wire bonding packaging options for deployment in QSFP, QSFP-DD and OSFP optical modules. MATA-05817 has noise typically below 2μArms and supports bandwidth up to 35GHz. It is aimed ...

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Nexperia USB4 ESD clamp adds only 100fF

Nexperia has managed to achieve 100fF load capacitance in devices designed to protect USB4 signal lines. “Of special interest to engineers designing USB4 and Thunderbolt interfaces, the new device uses Nexperia’s TrEOS ESD protection technology with active silicon-controlled rectification,” according to the firm. “It delivers a combination capacitance down to 0.1pF), dynamic resistance down to 0.1Ω ...

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Reed relay switches 1kV in compact SIL package

Pickering has created a high voltage reed relay, that can stand off 1.5kV and switch up to 1kV. Called Series 131, they are single pole (normally-open) single-in-like devices with a 12.5 x 3.7mm footprint and 6.6mm height. The high voltage rating is specified with resistive loads. “At these high voltages, even stray capacitance can generate ...

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When portable batteries get big

Mobile High Power Charger, is a large battery on wheels. There are two of them, built in into lorry trailers, together capable of delivering a total of 3.2MW – 320kW to each of 10 electric vehicles simultaneously. “Considering the availability of grid connections, which are often only limited, it is a unique opportunity to provide ...

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Dev board flexibly positions small Bluetooth antenna, for wearables

Fractus is aiming at wearables with a evaluation board for its 7 x 3 x 2mm ‘Duo mXtend’ ‘antenna booster’. Antenna booster? “This technology enables replacing conventional and custom antenna solutions by a new class of so-called antenna boosters, delivered in the form of miniature off-the-shelf chip antenna components,” according to the firm. This one ...

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Cheap abundant materials replace electrodes in lithium battery

Low-cost cobalt-free biodegradable rechargeable lithium batteries, particularly for grid-scale storage, are the dream of a research group at York University in Toronto, which might have bought them closer to reality with an organic cathode. “Organic electrode materials are considered to be extremely promising materials for sustainable batteries with high power capabilities,” said Professor Thomas Baumgartner ...

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ST and Alps develop high-quality Class-D audio amp for cars

STMicroelectronics has tied up with Japanese audio company Alps Alpine to create an automotive class-D audio amplifier IC. Called FDA901, “the chip aims to contribute to the creation of multi-function, high-fidelity car audio systems that fuse the high efficiency of class-D amplifiers with the high-quality sound of ST’s class-AB amplifiers”, according to ST. Called the FDA901, it ...

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Is your breadboard too flat? MIT will curve it for you

Aiming to provide a quick way to test circuit function on potential products, MIT researchers are 3D printing breadboards into prototypes, including curved prototypes. The result is ‘CurveBoards’, accurate representations of end-products with breadboard surfaces. “On breadboards, you prototype the function of a circuit. But you don’t have context of its form – how the electronics ...

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