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HEMTs
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NASA Studies Space Applications for GaN Crystals
Aug 20, 2018Two teams at the US National Aeronautics and Space Administration (NASA) Goddard Space Flight Center in Greenbelt, MD, USA are being funded to investigate the use of gallium nitride (GaN) to enhance space exploration. Engineer Jean-Marie ...
Tags: GaN transistors, GaN Crystal
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GaN Systems Launches Evaluation Board Combining GaN Power Transistors with Peregrine's E-Hemt Drivers
Oct 20, 2017GaN Systems Inc of Ottawa, Ontario, Canada – a fabless developer of gallium nitride (GaN)-based power switching semiconductors for power conversion and control applications – has made available the GS61004B-EVBDC evaluation ...
Tags: GaN Systems, integrated circuits
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Wolfspeed Extends 50V GaN Hemt Family to High-Efficiency 3.0GHz 250W
Aug 28, 2017Wolfspeed of Raleigh, NC, USA — a Cree Company that makes silicon carbide (SiC) power products and GaN-on-SiC high-electron-mobility transistors (HEMTs) and monolithic microwave integrated circuits (MMICs) — has extended its ...
Tags: Wolfspeed, silicon carbide
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Qorvo Launches Dual-Transistor GaN-on-Sic Asymmetric Doherty Amplifier Module for Macro Base-Stations
Aug 14, 2017Qorvo Inc of Greensboro, NC, USA (which provides core technologies and RF solutions for mobile, infrastructure and defense applications) has launched an asymmetric Doherty amplifier enabling ultra-high levels of power efficiency in the ...
Tags: Qorvo, GaN, RF, GaN-on-SiC
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Mitsubishi Electric Expanding Ku-Band GaN HEMT Range to 70W and 100W to Shrink Satellite Earth Stations
Sep 29, 2016Tokyo-based Mitsubishi Electric Corp is expanding its lineup of gallium nitride high-electron-mobility transistors (GaN HEMTs) to include models operating at frequencies of 13.75–14.5GHz with saturated output power of 100W (50.0dBm) ...
Tags: Mitsubishi Electric, GaN HEMTs
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Wolfspeed Launches Highest-Power 50V L-Band Radar GaN HEMT
Sep 23, 2016In booth 156 at European Microwave Week (EuMW 2016) in London, UK (3–7 October), Wolfspeed of Research Triangle Park, NC, USA — a Cree Company that makes gallium nitride on silicon carbide (GaN-on-SiC) high-electron-mobility ...
Tags: Wolfspeed, GaN-on-SiC, HEMTs, EuMW 2016
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Hybrid III-Nitride and Silicon Carbide High-Voltage Power Transistors
Jun 21, 2016Researchers at Hong Kong University of Science and Technology (HKUST) are proposing using III-nitride and silicon carbide (SiC) hybrid technologies for high-voltage power devices [Jin Wei et al, IEEE Transactions on Electron Devices, vol63, ...
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Qorvo Expands DOCSIS 3.1 CATV Family with Three New Power Doubler MCM Amplifiers
Jun 7, 2016In booth 10.2/L36 at the ANGA COM 2016 Exposition & Congress for Broadband, Cable and Satellite in Cologne, Germany (7-9 June), Qorvo Inc of Greensboro, NC and Hillsboro, OR, USA (which provides core technologies and RF solutions for ...
Tags: Qorvo, CATV, MCM Amplifiers
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III-Nitride High-Electron-Mobility Transistors on Flexible Tape
Apr 11, 2016Researchers in France claim the first demonstration of 10GHz large-signal microwave power performance for flexible aluminium gallium nitride (AlGaN) barrier high-electron-mobility transistors (HEMTs) [S. Mhedhbi et al, IEEE Electron Device ...
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US Air Force Offering $13.5m Cooperative Agreement to Develop Large-Diameter SiC Substrates
Apr 6, 2016The US Department of Defense's Air Force Research Laboratory, Sensors Directorate, Devices for Sensing Branch (AFRL/RYDD) has issued a Request For Information (RFI) titled 'Development of Large Diameter Silicon Carbide Substrate and ...
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Indium Gallium Arsenide MOSFET Used as Radio-Frequency Switch
Mar 30, 2016Rearchers in China claim the first radio frequency (RF) switch device based on indium gallium arsenide (InGaAs)-channel metal-oxide-semiconductor field-effect transistor (MOSFET) technology [Zhou Jiahui et al, J. Semicond. 2016, vol37, ...
Tags: InGaAs MOSFET RF switch
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Non-Alloyed Contacts For Gallium Arsenide Devices
Mar 9, 2016Researchers in Korea have been developing improved non-alloyed contacts for gallium arsenide (GaAs) complementary metal-oxide-semiconductor (CMOS) and high-electron-mobility transistors (HEMTs) [Seung-Hwan Kim et al, IEEE Electron Device ...
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Mitsubishi Electric Expanding Lineup of 3.5GHz GaN HEMTs for 4G Base Transceiver Stations
Dec 24, 2015Tokyo-based Mitsubishi Electric Corp is expanding its lineup of gallium nitride high-electron-mobility transistors (GaN HEMTs) for use in base transceiver stations (BTS) operating in the 3.5GHz band of fourth generation (4G) mobile ...
Tags: Mitsubishi Electric, GaN HEMT, Electronics
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Mitsubishi Uses Laytec in-Situ Monitoring to Grow Crack-Free GaN-on-Si HEMTs
Dec 3, 2015The main challenge of growing gallium nitride (GaN)-based high-electron-mobility transistors (HEMTs) on silicon substrates is the lattice mismatch between GaN and AlGaN that causes a high tensile stress and often leads to cracks. Now, by ...
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Laytec Expands Epinet Library's High-Temperature Nk Database and Real-Time Analysis for GaN/Sic-4h HEMTs
Dec 3, 2015AlGaN/GaN and InAlN/GaN structures combine high electron mobility and high critical electric field strength and are excellent platforms for the production of next-generation RF and power electronics devices such as high-electron-mobility ...
Tags: LayTec, Metrology MOCVD, AlGaN/GaN HEMTs