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Millimeter wave (mmWave) communications are evolving as a promising technology to meet the ever increasing data rate requirements. However, high directivity and severe path loss make it vulnerable to blockages, which could be frequent in…

Signal Processing · Electrical Eng. & Systems 2019-10-22 Peilan Wang , Jun Fang , Hongbin Li

A low-cost reconfiguration stage connected at the output of balanced three-phase, multi-terminal ac/dc/ac converters can increase the feasible set of power injections substantially, increasing converter utilization and therefore achieving a…

Systems and Control · Electrical Eng. & Systems 2024-06-06 Matthew Deakin , Xu Deng

In this paper, we explore reduced-connectivity radio frequency (RF) switching networks for reducing the analog hardware complexity and switching power losses in antenna selection (AS) systems. In particular, we analyze different hardware…

Information Theory · Computer Science 2017-02-28 Adrian Garcia-Rodriguez , Christos Masouros , Pawel Rulikowski

Organic printed electronics is proving its suitability for the development of wearable, lightweight, distributed applications in combination with cost-effective production processes. Nonetheless, some necessary features for several…

Applied Physics · Physics 2019-12-02 Andrea Perinot , Mario Caironi

It is well known that conventional Field Effect Transistors (FET's) require a change in the channel potential of at least 60 mV at 300K to effect a change in the current by a factor of ten, and this minimum subthreshold slope S puts a lower…

Mesoscale and Nanoscale Physics · Physics 2007-07-16 Sayeef Salahuddin , Supriyo Datta

Memristors have been at the forefront of nanoelectronics research for the last decade, offering a valuable component to reconfigurable computing. Their attributes have been studied extensively along with applications that leverage their…

The extensive research and development of micromechanical resonators is trying to allow the use of these devices for highly sensitive applications. Microcantilevers are some of the simplest MEMS structure and had been proved to be a good…

Other Computer Science · Computer Science 2008-02-22 M. Narducci , E. Figueras , I. Gracia , L. Fonseca , J. Santander , C. Cané

Software defined radios (SDR) in the microwave X and K bands offer the promise of low cost, programmable operation with real-time frequency agility. However, the real world in which such radios operate requires them to be able to detect…

Instrumentation and Detectors · Physics 2018-05-15 Jackson Chang , Michael Holyoak , George Kannell , Marc Beacken , Matthias Imboden , David J. Bishop

A novel concept of a high-power magnetron transmitter allowing dynamic phase and power control at the frequency of locking signal is proposed. The transmitter compensating parasitic phase and amplitude modulations inherent in…

Accelerator Physics · Physics 2016-12-23 G. Kazakevich , R. Johnson , M. Neubauer , V. Lebedev , W. Schappert , V. Yakovlev

A novel frequency modulated MEMS magnetometer is presented. The new device is inspired by the magnetic force microscopy technique, it combines standard MEMS technology with magnetic elements to obtain a magnetometer with potential for low…

Instrumentation and Detectors · Physics 2021-09-08 Federico Maspero , Gabriele Gatani , Simone Cuccurullo , Riccardo Bertacco

This paper was originally presented at CAS-2004, and was slightly modified for CAS-2014. It presents a review of the key parameters that impact the design choices for a true four-quadrant power converter, in the range 1-10 kW, mainly based…

Accelerator Physics · Physics 2016-07-07 Y. Thurel

The resistance state of filamentary memristors can be tuned by relocating only a few atoms at interatomic distances in the active region of a conducting filament. Thereby the technology holds promise not only in its ultimate downscaling…

Mesoscale and Nanoscale Physics · Physics 2023-06-08 Miklós Csontos , Yannik Horst , Nadia Jimenez Olalla , Ueli Koch , Ivan Shorubalko , András Halbritter , Juerg Leuthold

For the first time, intermodulation distortion of micro-electromechanical capacitive switches in the actuated state was analyzed both theoretically and experimentally. The distortion, although higher than that of switches in the suspended…

Applied Physics · Physics 2017-07-20 Xi Luo , Yaqing Ning , David Molinero , Cristiano Palego , James CM Hwang , Charles L Goldsmith

High-performance photonic switches are essential for large-scale optical routing for AI large models and Internet of things. Realizing nonvolatility can further reduce power consumption and expand application scenarios. We propose a…

Applied Physics · Physics 2024-09-12 Qian Ma , Yinpeng Hu , Ye Lu , Yunzhi Liu , Huan Li , Daoxin Dai

We have embedded a physically defined p-channel silicon MOS quantum dot (QD) device into an impedance transformer RC circuit. To decrease the parasitic capacitance and surpass the cutoff frequency of the device which emerges in MOS devices…

Mesoscale and Nanoscale Physics · Physics 2021-03-03 Sinan Bugu , Shimpei Nishiyama , Kimihiko Kato , Yongxun Liu , Takahiro Mori , Tetsuo Kodera

Two-dimensional materials (2DMs) are a promising alternative to complement and upgrade high-frequency electronics. However, in order to boost their adoption, the availability of numerical tools and physically-based models able to support…

Hybrid beamforming for frequency-selective channels is a challenging problem as the phase shifters provide the same phase shift to all of the subcarriers. The existing approaches solely rely on the channel's frequency response and the…

Information Theory · Computer Science 2019-03-13 Sohail Payami , Mathini Sellathurai , Konstantinos Nikitopoulos

A simple and fast process for micro-electromechanical (MEM) resonators with deep sub-micron transduction gaps in thin SOI is presented in this paper. Thin SOI wafers are important for advanced CMOS technology and thus are evaluated as…

Other Computer Science · Computer Science 2008-02-22 D. Grogg , Nicoleta Diana Badila-Ciressan , Adrian Mihai Ionescu

At millimeter wave (mmWave) frequencies, the higher cost and power consumption of hardware components in multiple-input multiple output (MIMO) systems do not allow beamforming entirely at the baseband with a separate radio frequency (RF)…

Signal Processing · Electrical Eng. & Systems 2020-03-27 Aryan Kaushik , John Thompson , Evangelos Vlachos

Various methods of phase and power control in magnetron RF sources of superconducting accelerators intended for ADS-class projects were recently developed and studied with conventional 2.45 GHz, 1 kW, CW magnetrons operating in pulsed and…

Accelerator Physics · Physics 2018-03-26 G. Kazakevich , R. Johnson , M. Neubauer , V. Lebedev , W. Schappert , V. Yakovlev