Results 11 to 20 of about 277,685 (261)
Power Efficient Connected Topologies in Ad Hoc Networks
Power efficient topologies in an ad-hoc network can reduce battery usage and increase the lifetime of a network. Topology control algorithms including a local minimum spanning tree (LMST), distributed relative neighbourhood graph (DRNG) and K-Neigh graphs are computed by using the location or the distance information of the network nodes.
G. Srivastava +2 more
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A 28-GHz Cascode Inverse Class-D Power Amplifier Utilizing Pulse Injection in 22-nm FDSOI
Current Mode Class-D (CMCD) Power Amplifiers are of particular interest in outphasing transmitters or Doherty configuration. This is because the output capacitance can be absorbed in the RLC output matching network and 100% theoretical efficiency.
Nourhan Elsayed +3 more
doaj +1 more source
Power added efficiency optimisation of microwave transistor amplifier
A high-efficiency microwave amplifier design routine which optimises the power added efficiency of any class (A, AB, B, C, D, E,. . .) of amplifier is reported. It has the advantage of a reduced variable number, and easy synthesis for input-output circuits.
A. Algani, H. Wang, A. Konczykowska
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High Power AlN/GaN HEMTs with record power-added-efficiency >70% at 40 GHz [PDF]
We report on breakthrough power-added-efficiency (PAE) Q-band performances using a vertically scaled AlN/GaN HEMT technology. The comparison between a 3 nm and 4 nm barrier thickness shows both superior performance and robustness for the thinner barrier layer attributed to the reduced mechanical strain into the heterostructure.
Harrouche, Kathia +3 more
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A new approach to increasing the power-added efficiency (PAE) of a class E power amplifier (PA) is proposed in this paper. The PA operates at a 5 GHz frequency and a reactance compensation technique is utilized to maximize the bandwidth at the operating ...
Hemad Heidari Jobaneh
doaj +1 more source
A Novel 4H-SiC MESFET with a Heavily Doped Region, a Lightly Doped Region and an Insulated Region
A novel 4H-SiC MESFET was presented, and its direct current (DC), alternating current (AC) characteristics and power added efficiency (PAE) were studied.
Hujun Jia +4 more
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Power amplifier is one of the main components in the RF transmitters. It must provide various stringent features that can lead to complicating the design.
M. Soruri, S. M. Razavi, M. Forouzanfar
doaj
Electronic devices usually operate in a variable loading condition and the power transfer efficiency of the accompanying wireless power transfer (WPT) method should be optimizable to a variable load.
Jung-Hoon Cho +2 more
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Novel High-Energy-Efficiency AlGaN/GaN HEMT with High Gate and Multi-Recessed Buffer
A novel AlGaN/GaN high-electron-mobility transistor (HEMT) with a high gate and a multi-recessed buffer (HGMRB) for high-energy-efficiency applications is proposed, and the mechanism of the device is investigated using technology computer aided design ...
Shunwei Zhu +7 more
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Numerical prediction method of shafting power characteristics of free self-propelled ship in waves
ObjectiveTo investigate ship power characteristics and the difference between the towing model and self-propulsion model for ship motion response in waves, numerical simulations of ship self-propulsion performance in waves are carried out. MethodsIn this
Jiawei YU +4 more
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