Results 241 to 250 of about 5,748,011 (307)

Design and realization of high performance textured lead-free piezoelectric ceramics through human-AI collaboration. [PDF]

Nat Commun
Nanda A, Bhattacharya D, Kang N, Kunwar S, Priya S, Ryu J, Reinhart W, Lanagan M, Poudel B.   +8 more
europepmc   +1 more source

All-digital aliasing-free PWM transmitter with reduced filtering requirements. [PDF]

Sci Rep
Haque MFU, Ahmed H, Johansson T.
europepmc   +1 more source

Suppressing laser-power noise with a multifunctional liquid crystal polarization grating in miniaturized optically pumped magnetometers. [PDF]

Microsyst Nanoeng
Cui Z, Xiao X, Wei Z, Fu Z, Huang K, Pei L, Zhou X, Chai Z, Bai D.   +8 more
europepmc   +1 more source

From Sensing Mechanisms to System Co-Design: Graphene-Based Sensors and Readout Circuits. [PDF]

Adv Sci (Weinh)
Zhang J, Chen M, Li G, Liu R, Wang Y, Zhao Z.   +5 more
europepmc   +1 more source

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Structure-Reconfigurable Power Amplifier (SR-PA) and 0X/1X Regulating Rectifier for Adaptive Power Control in Wireless Power Transfer System

IEEE Journal of Solid-State Circuits, 2021
This article presents a 6.78-MHz wireless power transfer system with a structure-reconfigurable power amplifier (SR-PA) and a 0X/1X regulating rectifier. The proposed 0X/1X regulating rectifier with local-loop control achieves voltage rectification and regulation without dc–dc converter usage to improve the receiver efficiency.
Fu-Bin Yang, Jonathan Fuh, Yu-Hsien Li, Makoto Takamiya, Po-Hung Chen   +4 more
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Power Amplifier Switching (PAS) for Energy Efficient Systems

IEEE Wireless Communications Letters, 2013
We propose a power amplifier (PA) switching/selection (PAS) method to improve the energy efficiency (EE) of a transmit antenna selection and maximum ratio combining (TAS-MRC) system. A PAS transmitter has a PA bank consisting of multiple dissimilar PAs, which operate with different output power levels, and selects the most efficient PA and its power ...
Jingon Joung, Chin Keong Ho, Sumei Sun
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Comparative efficiency analysis of dynamically supplied power amplifiers (PA)

2010 17th IEEE International Conference on Electronics, Circuits and Systems, 2010
Data throughput, reliability, bit-error rates (BER), and backward compatibility complicate modern protocols so much that power amplifiers (PA) drive and demand most of the power mobile devices consume. As a result, PA power efficiency often limits battery life, which is why dynamically adaptive supplies are popular today.
Orlando Lazaro, Gabriel A. Rincón-Mora
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Highly efficient 5G linear power amplifiers (PA) design challenges

2017 International Symposium on VLSI Design, Automation and Test (VLSI-DAT), 2017
The incoming 5G revolution will dramatically increase the design complexity for handsets and communication infrastructures, demanding the RFIC and ASIC chipsets designers, network and system components vendors and telecom operators to provide viable 5G E2E (End-to-End) products and solutions before A.D. 2020.
Donald Y. C. Lie, Jill C. Mayeda, Jerry Lopez   +2 more
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Power amplifier switching/selection (PAS) for energy efficient MIMO systems

2014 IEEE Globecom Workshops (GC Wkshps), 2014
We propose a power amplifier (PA) switching/selection (PAS) method to improve energy efficiency (EE) of a multiple-input multiple-output (MIMO) system. The prosposed system consists of multiple dissimilar low maximum-output (MaxOut) PAs in addition to multiple identical high-MaxOut PAs.
Jingon Joung, Chin Keong Ho, Sumei Sun
openaire   +1 more source