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RF & Microwave

The latest Electronics Weekly product news on RF and Microwave products.

Ampleon claims RF transistor lifts efficiency to next level

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Ampleon, the Netherlands-based power semiconductor firm, has introduced an RF power transistor designed for DVB-T UHF asymmetrical wideband Doherty amplifier applications. The company claims the RF device which is fabricated in a high voltage LDMOS process has greater than 50% power efficiency and the average DVB-T power output is 150W from a single transistor for broadcast applications. The Ampleon BLF888E provides ...

DLI introduces directional couplers for C X and Ku bands

DLI Knowles directional coupler

DLI, part of Knowles, has introduced 10dB and 20dB directional couplers for C, X and Ku bands. Made using thin-film high-permittivity temperature-stable materials , they are intended for commercial, military and space microwave applications. “The four port couplers are excellent for high frequency signal monitoring applications where board space is a premium and quality power detection or injection is required,” ...

Wireless M-Bus evaluation kit targets IoT

Amiho AM060

Rohm has teamed up with Amiho Technology of Cambridge to develop an sub-GHz radio for wireless M-Bus. Called AE060, it has two nodes based around Amiho’s 18 x 20mm AM060 868MHz Wireless M-Bus radio modem module, which have at their heart Rohm’s Lapis ML7345 radio transceiver. Amiho’s Wireless M-Bus stack and drivers are pre-loaded. “In addition, with security a major ...

MACOM launches 28Gbps CDR chips

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MACOM has brought out dual 28Gbps Clock and Data Recovery (CDR) devices with integrated laser driver for SFP28 short reach (SR) or long reach (LR) module applications. MACOM’s dual reference-free CDR devices feature multi-rate retiming, with the MASC-37028 retiming from 24Gbps to 26.5Gbps and the MASC-37029 retiming from 25.5Gbps to 28.1Gbps. The flexible output drive options with programmable output swing ...

5G at microwave frequencies will need a high bandwidth mixer, says Linear

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Bandwidth is rapidly expanding in the next generation wireless access to cope with the ever-increasing Internet traffic. The available spectrum simply cannot support the needed bandwidth. Higher frequency spectrum is being evaluated for suitability. New mixers with improved performance will be needed, write Bruce Hemp and James Wong. Also 5G wireless is expected to deliver 1Gbit/s. In order to achieve ...

2.4GHz wireless MCUs get stacks for Thread and ZigBee

Wireless Gecko SiLabs

Silicon Labs has revealed a family of wireless microcontrollers for IoT end nodes. Called Wireless Gecko, they integrate an ARM Cortex-M4 core with a 2.4GHz radio, hardware cryptography, stacks for Thread and ZigBee, and radio interface software for proprietary protocols and Bluetooth Smart. There are three product ranges: Blue Gecko for Bluetooth Smart, Mighty Gecko for ZigBee and Thread, and ...

Microsemi cuts the power of 900MHz radio in ISM band

ZL70550

Microsemi has introduced a radio transceiver for the sub-GHz frequency band. Designated the ZL70550, the transceiver operates in the 779-965MHz unlicensed industrial, scientific and medical (ISM) frequency bands. It will draw 2.8mA while transmitting at -10dBm output power and also 2.5 mA during reception. Sleep state current is 10nA. The ZL70550 operates on 1.7V to 3.6V power rail. Output power ...

Lattice targets millimetre wave in LTE backhaul networks

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Lattice Semiconductor has introduced a baseband processor for wireless access and wireless backhaul LTE small cells networks operating in the 60GHz band. Lattice also offers the Sil6340 and SiI6342 60GHz RF transceivers. The chips support beam-steering technology on phased array antennas. Devices that implement beam-steering require only rough alignment and can be installed quickly without specialised skills. A link can ...

EW: Antenova reveals antenna for super-fast data transfer between phones

TransferJet eval board

Antenova has revealed an antenna for TransferJet, and is demonstrating it at Embedded World in Nuremberg. TransferJet is a wireless technology for high-speed (375Mbit/s) transfer of large files, secured by proximity – think fast NFC. It operates in the unlicensed bands in places including the USA, Europe and Japan. Antenova’s device is a surface-mount coupler called Zoma that operates in the ...

First LoRa IoT transceiver cleared by Alliance

Microchip LoRa

Microchip has won the race to get a transceiver module through the LoRa Alliance’s certification program after Espotel’s test lab cleared its RN2483 module to the LoRaWAN 1.0 specification for operation in the European 868MHz licence-free band. LoRa is one of the wireless protocols competing for IoT applications like smart metering. It has security and offers metropolitan area coverage for low ...