EXEMPLO
Haifeng Sun:Optimization and Characterization of GaN-Based High Electron Mobility Transistors
- Livro de bolso 2001, ISBN: 9783844006834
[ED: Taschenbuch], [PU: Shaker Verlag], Neuware - Because of their outstanding combination of physical properties, GaN-based high-electron-mobility transistors (HEMTs) are very attractive… mais…
[ED: Taschenbuch], [PU: Shaker Verlag], Neuware - Because of their outstanding combination of physical properties, GaN-based high-electron-mobility transistors (HEMTs) are very attractive components for highpower, high-speed, and high-temperature applications. This dissertation focuses on highly scaled GaN-based HEMTs for millimeter-wave frequencies. A device fabrication process for fully-passivated GaN HEMTs was developed. The two principal isolation technologies of mesa dry-etching and ion implantation were implemented and compared. Low resistance Ohmic contacts were achieved. The T-shaped gate process was implemented for GaN HEMTs, enabling the gate lengths shorter than 0.1 m to be realized. High-performance AlGaN/GaN HEMTs grown on high-resistivity silicon (HR-Si) substrates were implemented. Multiple records were set for the switching speed of AlGaN/GaN HEMTs on silicon substrates: from 75 GHz, 90 GHz, and 114 GHz to a new record now of 130 GHz. These are to be contrasted to the previous published record of 27 GHz for a 0.1 m GaN HEMT on Silicon: a near 5-fold improvement was achieved, proving the interest of GaN-on-Si for millimeter-wave applications. Our devices also feature a noise figure Fmin = 0.65 (1.2-1.3) dB and associated gain GA = 12 (9.3) dB at 10 (20) GHz. A comparison of the microwave small-signal performance of 0.1 m HEMTs on HR-Si and on insulating sapphire was performed. The extracted small-signal equivalent circuit models revealed no differences attributable to the different substrates. This thesis has also defined the state-of-the-art performance on AlInN/GaN HEMTs. A record fT of 143 GHz and fMAX of 176 GHz were demonstrated for GaNon-Si HEMTs. An even higher fT of 205 GHz was achieved on SiC substrate, the highest ever reported for AlInN/GaN HEMTs to date. This is also the first demonstration of fT beyond 200 GHz on any GaN-based HEMTs. The microwave noise performance of AlInN/GaN HEMTs was also characterized for the first time. At 10 (20) GHz, our devices feature a noise figure Fmin = 0.62 (1.5) dB and associated gain GA = 15.4 (13.3) dB. The Fmin values are among the lowest reported in nitride HEMTs and the GA values are the best so far found in the literature., DE, [SC: 0.00], Neuware, gewerbliches Angebot, FixedPrice, 165, [GW: 240g], Offene Rechnung (Vorkasse vorbehalten), Sofortüberweisung, PayPal, Banküberweisung, Internationaler Versand<
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EXEMPLO
Sun, Haifeng:Optimization and Characterization of GaN-Based High Electron Mobility Transistors Haifeng Sun Taschenbuch Berichte aus der Elektrotechnik Englisch 2012
- Livro de bolso 2012, ISBN: 9783844006834
[ED: Taschenbuch], [PU: Shaker], Because of their outstanding combination of physical properties, GaN-based high-electron-mobility transistors (HEMTs) are very attractive components for h… mais…
[ED: Taschenbuch], [PU: Shaker], Because of their outstanding combination of physical properties, GaN-based high-electron-mobility transistors (HEMTs) are very attractive components for highpower, high-speed, and high-temperature applications. This dissertation focuses on highly scaled GaN-based HEMTs for millimeter-wave frequencies. A device fabrication process for fully-passivated GaN HEMTs was developed. The two principal isolation technologies of mesa dry-etching and ion implantation were implemented and compared. Low resistance Ohmic contacts were achieved. The T-shaped gate process was implemented for GaN HEMTs, enabling the gate lengths shorter than 0.1 m to be realized. High-performance AlGaN/GaN HEMTs grown on high-resistivity silicon (HR-Si) substrates were implemented. Multiple records were set for the switching speed of AlGaN/GaN HEMTs on silicon substrates: from 75 GHz, 90 GHz, and 114 GHz to a new record now of 130 GHz. These are to be contrasted to the previous published record of 27 GHz for a 0.1 m GaN HEMT on Silicon: a near 5-fold improvement was achieved, proving the interest of GaN-on-Si for millimeter-wave applications. Our devices also feature a noise figure Fmin = 0.65 (1.2-1.3) dB and associated gain GA = 12 (9.3) dB at 10 (20) GHz. A comparison of the microwave small-signal performance of 0.1 m HEMTs on HR-Si and on insulating sapphire was performed. The extracted small-signal equivalent circuit models revealed no differences attributable to the different substrates. This thesis has also defined the state-of-the-art performance on AlInN/GaN HEMTs. A record fT of 143 GHz and fMAX of 176 GHz were demonstrated for GaNon-Si HEMTs. An even higher fT of 205 GHz was achieved on SiC substrate, the highest ever reported for AlInN/GaN HEMTs to date. This is also the first demonstration of fT beyond 200 GHz on any GaN-based HEMTs. The microwave noise performance of AlInN/GaN HEMTs was also characterized for the first time. At 10 (20) GHz, our devices feature a noise figure Fmin = 0.62 (1.5) dB and associated gain GA = 15.4 (13.3) dB. The Fmin values are among the lowest reported in nitride HEMTs and the GA values are the best so far found in the literature., DE, [SC: 0.00], Neuware, gewerbliches Angebot, 165, [GW: 240g], Sofortüberweisung, PayPal, Banküberweisung<
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Haifeng Sun:Optimization and Characterization of GaN-Based High Electron Mobility Transistors
- Livro de bolso 2012, ISBN: 3844006834
[EAN: 9783844006834], Neubuch, [PU: Shaker Verlag Jan 2012], ALINN; GAN; GAN-ON-SILICON; HEMTS, Neuware - Because of their outstanding combination of physical properties, GaN-based high-e… mais…
[EAN: 9783844006834], Neubuch, [PU: Shaker Verlag Jan 2012], ALINN; GAN; GAN-ON-SILICON; HEMTS, Neuware - Because of their outstanding combination of physical properties, GaN-based high-electron-mobility transistors (HEMTs) are very attractive components for highpower, high-speed, and high-temperature applications. This dissertation focuses on highly scaled GaN-based HEMTs for millimeter-wave frequencies. A device fabrication process for fully-passivated GaN HEMTs was developed. The two principal isolation technologies of mesa dry-etching and ion implantation were implemented and compared. Low resistance Ohmic contacts were achieved. The T-shaped gate process was implemented for GaN HEMTs, enabling the gate lengths shorter than 0.1 µm to be realized. High-performance AlGaN/GaN HEMTs grown on high-resistivity silicon (HR-Si) substrates were implemented. Multiple records were set for the switching speed of AlGaN/GaN HEMTs on silicon substrates: from 75 GHz, 90 GHz, and 114 GHz to a new record now of 130 GHz. These are to be contrasted to the previous published record of 27 GHz for a 0.1 µm GaN HEMT on Silicon: a near 5-fold improvement was achieved, proving the interest of GaN-on-Si for millimeter-wave applications. Our devices also feature a noise figure Fmin = 0.65 (1.2-1.3) dB and associated gain GA = 12 (9.3) dB at 10 (20) GHz. A comparison of the microwave small-signal performance of 0.1 µm HEMTs on HR-Si and on insulating sapphire was performed. The extracted small-signal equivalent circuit models revealed no differences attributable to the different substrates. This thesis has also defined the state-of-the-art performance on AlInN/GaN HEMTs. A record fT of 143 GHz and fMAX of 176 GHz were demonstrated for GaNon-Si HEMTs. An even higher fT of 205 GHz was achieved on SiC substrate, the highest ever reported for AlInN/GaN HEMTs to date. This is also the first demonstration of fT beyond 200 GHz on any GaN-based HEMTs. The microwave noise performance of AlInN/GaN HEMTs was also characterized for the first time. At 10 (20) GHz, our devices feature a noise figure Fmin = 0.62 (1.5) dB and associated gain GA = 15.4 (13.3) dB. The Fmin values are among the lowest reported in nitride HEMTs and the GA values are the best so far found in the literature. 165 pp. Englisch<
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Sun, Haifeng:Optimization and Characterization of GaN-based High Electron Mobility Transistors (Berichte aus der Elektrotechnik)
- Livro de bolso 2012, ISBN: 9783844006834
Shaker Verlag GmbH, Germany, Paperback, 165 Seiten, Publiziert: 2012-01-17T00:00:01Z, Produktgruppe: Book, Hersteller-Nr.: 93, 0.24 kg, Electronics Engineering, Electronics & Communicatio… mais…
Shaker Verlag GmbH, Germany, Paperback, 165 Seiten, Publiziert: 2012-01-17T00:00:01Z, Produktgruppe: Book, Hersteller-Nr.: 93, 0.24 kg, Electronics Engineering, Electronics & Communications Engineering, Engineering & Technology, Science, Nature & Math, Subjects, Books, Shaker Verlag GmbH, Germany, 2012<
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Optimization and Characterization of GaN-Based High Electron Mobility Transistors
- novo libroISBN: 3844006834
Optimization and Characterization of GaN-Based High Electron Mobility Transistors ab 48.8 EURO 1. Aufl. Medien > Bücher
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