Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Mohamed Alsharef"'
Autor:
Erdin Ture, Peter Bruckner, Birte-Julia Godejohann, Rolf Aidam, Mohamed Alsharef, Ralf Granzner, Frank Schwierz, Rudiger Quay, Oliver Ambacher
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 4, Iss 1, Pp 1-6 (2016)
Through implementation of the 3-D tri-gate topology, GaN-based high-electron mobility transistors (HEMTs) have been fabricated and high-frequency performances as well as the short-channel effects are investigated. The designed tri-gate transistors ar
Externí odkaz:
https://doaj.org/article/0bfbf3a76e014c1997607dcc0c39d50d
Autor:
Mohamed Alsharef, Ibrahim B. M. Taha, Mohamed K. Metwaly, Amr M. Abd-Elhady, Nehmdoh A. Sabiha, Nagy I. Elkalashy, Ehab E. Elattar
Publikováno v:
International Journal of Power Electronics and Drive Systems (IJPEDS). 12:20
In this paper, a smart drive system of the induction motor (IM) is proposed and adapted for applications in electric vehicles (EVs). Objectively, the EV drive systems are robust over wide speed and torque ranges. The proposed drive system is independ
Autor:
Erdin Ture, Oliver Ambacher, Frank Schwierz, Ralf Granzner, Ridiger Quay, Mohamed Alsharef, Max Christiansen
Publikováno v:
IEEE Transactions on Electron Devices. 63:4255-4261
The impact of the trigate GaN high electron mobility transistor (HEMT) body geometry on the device RF performance is investigated by 3-D numerical simulations. The trigate concept is a viable approach to achieve normally off operation and to suppress
Autor:
Oliver Ambacher, Peter Brückner, Ralf Granzner, Mohamed Alsharef, Birte-Julia Godejohann, Rudiger Quay, Rolf Aidam, Erdin Ture, Frank Schwierz
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 4, Iss 1, Pp 1-6 (2016)
Through implementation of the 3-D tri-gate topology, GaN-based high-electron mobility transistors (HEMTs) have been fabricated and high-frequency performances as well as the short-channel effects are investigated. The designed tri-gate transistors ar
Autor:
Oliver Ambacher, Peter Brückner, Erdin Ture, Mohamed Alsharef, Rudiger Quay, Ralf Granzner, Frank Schwierz
Publikováno v:
2017 IEEE MTT-S International Microwave Symposium (IMS).
First-ever realization of a W-band power amplifier (PA) millimeter-wave monolithic integrated circuit (MMIC) utilizing GaN-based Tri-gate high-electron-mobility transistors (HEMTs) is presented in this paper. Superior device- and circuit-level perfor
Publikováno v:
IEEE Transactions on Electron Devices. 60:3335-3341
The operation of AlGaN/GaN trigate high-electron mobility transistor (HEMT) structures is investigated by numerical simulations. It is shown that the threshold voltage of such structures strongly depends on the width of the AlGaN/GaN bodies and that
Autor:
Rudiger Quay, Erdin Ture, Ralf Granzner, Peter Brückner, Mohamed Alsharef, Oliver Ambacher, Frank Schwierz
Publikováno v:
2016 11th European Microwave Integrated Circuits Conference (EuMIC).
This paper reports on the design and fabrication of enhancement-mode high-electron mobility transistors (HEMTs) in AlGaN/GaN FinFET technology with 100 nm of gate length (L g = 100 nm). Provided by the lateral as well as the vertical modulation of th
Publikováno v:
ESSDERC
The performance of the GaN-based tri-gate HEMT is investigated by 3D numerical simulations. The tri-gate concept is shown to provide normally-off operation and to effectively suppress short-channel effects (SCEs). Furthermore, it is shown from our si
Autor:
Mohamed Alsharef, Ronald J. Urry, Roger Mierzwinski, Marius C. Conradie, Zaheer Jogiat, Deon Naidoo, Kahlid Mahmood
Publikováno v:
Journal of Endourology. 23:1503-1507
Purpose: By evaluating the technical challenges encountered during 123 laparoscopic nephrectomies, we have been able to modify the surgical technique to allow general urologists to effectively perform the procedure with minimal complications. Design
Autor:
Oliver Ambacher, Mohamed Alsharef, Rudiger Quay, Erdin Ture, Friedbert van Raay, Frank Schwierz, Ralf Granzner, Peter Brückner
Publikováno v:
2015 10th European Microwave Integrated Circuits Conference (EuMIC).
AlGaN/GaN high-electron mobility transistors (HEMTs) with varied Tri-gate topologies have been fabricated and influences of the fin-shaped nano-channels on device parasitics are examined. Through S-parameter measurements and modelling of the designed