Results 21 to 30 of about 70,463 (263)
Design of High-Power High-Efficiency Broadband GaN HEMT Power Amplifier for S Band Applications using Load-Pull Technique [PDF]
ITM Web of Conferences, 2022 This work reveals the design for broadband high-power high-efficiency GaN HEMT power amplifier, operating in the frequency band ranging from 2.15 GHz to 2.65 GHz. The proposed structure is implemented using Cree GaN HEMT CGH40010 transistor.
Ribate Mohamed +4 more
doaj +1 more source
Broadband power amplifier limitations due to package parasitics [PDF]
Serbian Journal of Electrical Engineering, 2015 Limitations of CMOS broadband power amplifiers due to package parasitics have been explored in this paper. The constraints of power amplifier matching network, realized as a third-order Chebyshev filter, have been derived, and a new power ...
Grujić Dušan N., Saranovac Lazar
doaj +1 more source
Design of CMOS-Based Unit Channel of Beamforming Transceivers for FACS Applications
IEEE Access, 2023 In this study, we designed the unit channel of beamforming transceivers for flexible access common spectrum (FACS) applications. The designed unit channel consisted of power amplifier, low noise amplifier, gain amplifier, attenuator, phase shifter, and ...
Seongjin Jang +5 more
doaj +1 more source
51.5 W monolithic single frequency 1.97 $\mathrm {\mu} $m Tm-doped fiber amplifier
High Power Laser Science and Engineering, 2013 We demonstrate a monolithic single frequency Tm-doped fiber amplifier with output power of 51.5 W. A single frequency fiber laser at 1.97 $\mathrm {\mu} $m is amplified by a cascaded master oscillator power amplifier (MOPA) system with all-fiber ...
Xiong Wang +4 more
doaj +1 more source
Sensors, 2021 To obtain a high-quality signal from an ultrasound system through the transmitter, it is necessary to achieve an appropriate operating point of the power amplifier in the ultrasonic transmitter by applying high static bias voltage.
Kyeongjin Kim, Hojong Choi
doaj +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Objectives The association between exposure to dinutuximab beta (DB) and event‐free survival (EFS) or overall survival (OS) of neuroblastoma patients was assessed using data collected during three clinical trials (five cohorts). Methods A systematic review (March 2026) was conducted to identify relevant studies (prospective; registered DB ...
Przemysław Holko +19 more
wiley +1 more source
Iranian Journal of Electrical and Electronic Engineering, 2022 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
A Highly Efficient Broadband Class-E Power Amplifier with Nonlinear Shunt Capacitance [PDF]
Journal of the Korean Institute of Electromagnetic Engineering and Science, 2017 A new approach to designing a broadband and highly efficient class-E power amplifier based on nonlinear shunt capacitance analysis is proposed. The nonlinear shunt capacitance method accurately extracts optimum class-E power amplifier parameters ...
Ninh Dang-Duy +4 more
doaj +1 more source
A new series-L/parallel-tuned class DE-1 power amplifier
Dianzi Jishu Yingyong, 2018 This paper proposes a new series-L/parallel-tuned class DE-1 power amplifier. The theoretical analysis was conducted according to zero current switching(ZCS) and zero current slope switching(ZCSS) conditions.
Hua Zaijun +3 more
doaj +1 more source
IEEE Access, 2020 In this paper, a novel outphasing power amplifier (PA) based on class-E amplifiers with shunt capacitances and shunt filters is proposed. The new design provides high drain efficiency for both peak and back-off power levels.
Pavel Afanasyev +3 more
doaj +1 more source