Results 21 to 30 of about 5,748,011 (307)
Frontiers in Physics, 2021 A novel hybrid continuous inverse power amplifier (PA) that is constituted by a continuum of PA modes from the continuous inverse class-F to the continuous inverse class-B/J is proposed, and a detailed mathematical analysis is presented.
Chun Ni +11 more
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220-240-GHz High-Gain Phase Shifter Chain and Power Amplifier for Scalable Large Phased-Arrays
IEEE Access, 2023 This paper focuses on the design aspects of the key components for a scalable phased-array system over the 200 GHz frequency range. A high-gain phase shifter chain for 220 to 240 GHz frequency range and a high-gain power amplifier (PA) with a high output
Md. Najmussadat +5 more
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MMIC Implementation of the Load Modulated Balanced Amplifier and Its Variants
IEEE Journal of MicrowavesThis work presents an evaluation of the load modulated balanced amplifier (LMBA) architecture design space and comparison of different methods that have been described in the literature.
M. Y. Mahsud, Taylor W. Barton
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Development of Efficient High Power Amplifier With More Than an Octave Bandwidth
IEEE Access, 2018 This paper presents a design of a GaN HEMT-based power amplifier (PA), with enhanced efficiency and linearity over the operation band from 0.5 to 1.5 GHz. The design is based on wideband load-pull and source-pull analysis.
Waqar Ahmad Malik +2 more
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Switchable function GaN power amplifier/rectifier [PDF]
, 2022 This letter proposes a switchable function power amplifier/rectifier using a GaN transistor. A dc single-pole double-throw switch is used to switch between the working mode of the circuit from power amplifier (PA) to rectifier and vice-versa, which ...
Zhang, Zhiwei +3 more
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A Compact Octave Tunable Switched-Power-Combining PA
IEEE Access, 2021 This paper presents a switched-power-combining RF power amplifier (PA) architecture, using evanescent-mode resonators as input splitters and output combiners. The input resonator also provides proper input matching to the transistor, eliminating the need
Mohammad Abu Khater +3 more
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Tunable single-frequency ytterbium-sensitized erbium-doped fiber MOPA source with 150W (51.8 dBm) of output power at 1563 nm [PDF]
, 2005 A single-frequency, single-mode ytterbium-sensitized erbium-doped fiber master-oscillator power-amplifier generated 150 W of continuous-wave output power at 1563 nm with 33% slope efficiency and was tuned in the range of 1546 to 1566 nm at >125 ...
Jeong, Y. +9 more
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Cladding-pumped Raman fiber with a W-type core designed for power scaling
, 2009 We design a cladding-pumped fiber Raman amplifier with a wavelength-filtering W-type core for the suppression of the 2nd-order Raman Stokes.
Nilsson, J., Ji, J., Codemard, C.A.
core +2 more sources
MicromachinesThis paper presents an ultra-wideband transformer feedback (TFB) monolithic microwave integrated circuit (MMIC) power amplifier (PA) developed using a 0.25 μm gallium nitride (GaN) process.
Jialin Luo +4 more
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Applied Sciences, 2022 In this paper, an ultra-wideband (UWB) power amplifier (PA) on a 0.25 μm gallium-nitride (GaN) on silicon carbide (SiC) high-electron-mobility transistor (HEMT) process, operating in Ku-band, is presented.
Tongyao Luan +6 more
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