Results 151 to 160 of about 128,571 (233)
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IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2023
This paper presents a broadband Doherty power amplifier (DPA) using quarter-wavelength ( $\lambda $ /4) transmission lines with negative characteristic impedance. In conventional DPA designs, the load modulation network is frequency-dependent, leading to
Jin-Xu Xu +3 more
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This paper presents a broadband Doherty power amplifier (DPA) using quarter-wavelength ( $\lambda $ /4) transmission lines with negative characteristic impedance. In conventional DPA designs, the load modulation network is frequency-dependent, leading to
Jin-Xu Xu +3 more
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IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2023
This article presents the methodology for designing triple-mode Doherty power amplifier (DPA) with multi-band operation and extended high efficiency range.
Shuang Liu +7 more
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This article presents the methodology for designing triple-mode Doherty power amplifier (DPA) with multi-band operation and extended high efficiency range.
Shuang Liu +7 more
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A Millimeter-Wave Four-Way Doherty Power Amplifier With Over-GHz Modulation Bandwidth
IEEE Journal of Solid-State CircuitsThis article presents the design and analysis of a millimeter-wave (mmWave) four-way Doherty power amplifier (PA), aiming to enhance the PA energy efficiency when amplifying orthogonal frequency-division multiplexing (OFDM)-based 5G new radio (NR ...
Xiao-hui Zhang, Hao Guo, T. Chi
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IEEE transactions on microwave theory and techniques, 2023
This article presents systematic research on the methodology for a wideband post-matching Doherty power amplifier (PM-DPA). First, closed-form derivations are presented to analyze the numerical solutions of the PM-DPA’s output matching network (OMN).
Kefeng Han, Zeqiang Chen, Li Geng
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This article presents systematic research on the methodology for a wideband post-matching Doherty power amplifier (PM-DPA). First, closed-form derivations are presented to analyze the numerical solutions of the PM-DPA’s output matching network (OMN).
Kefeng Han, Zeqiang Chen, Li Geng
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Design of Wideband Asymmetric Doherty Power Amplifier Using a New Phase Compensation Technique
IEEE Transactions on Circuits and Systems Part 1: Regular PapersThis article proposes a new phase compensation technique to expand the operating bandwidth of an asymmetric Doherty power amplifier (ADPA). Its operation principle is to increase the solution space of network parameters, thereby contributing to the ...
Zhijiang Dai +6 more
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IEEE transactions on microwave theory and techniques, 2023
This article presents a design method of continuous class-J/ $\text{F}^{-1}$ mode asymmetrical Doherty power amplifier (DPA) using the phase tuning technique.
J. Sun +4 more
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This article presents a design method of continuous class-J/ $\text{F}^{-1}$ mode asymmetrical Doherty power amplifier (DPA) using the phase tuning technique.
J. Sun +4 more
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IEEE transactions on microwave theory and techniques
This article presents theoretical analysis and design methodology of a dual-mode three-way Doherty power amplifier (DPA) with an extended high-efficiency range and robust load mismatch adaptability.
Jingzhou Pang +7 more
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This article presents theoretical analysis and design methodology of a dual-mode three-way Doherty power amplifier (DPA) with an extended high-efficiency range and robust load mismatch adaptability.
Jingzhou Pang +7 more
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IEEE Microwave and Wireless Technology Letters, 2023
This letter presents a 28-GHz high-power four-way differential Doherty power amplifier (PA) in 55-nm bulk CMOS technology. A transformer-based hybrid load-modulated combiner (HLMC) (i.e., a parallel combined series-load-modulated Doherty output network ...
Zonglin Ma +4 more
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This letter presents a 28-GHz high-power four-way differential Doherty power amplifier (PA) in 55-nm bulk CMOS technology. A transformer-based hybrid load-modulated combiner (HLMC) (i.e., a parallel combined series-load-modulated Doherty output network ...
Zonglin Ma +4 more
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Multiband Doherty RF power amplifier
IEEE Africon '11, 2011In era of exploding energy consumption and thus equipment operating cost as well as the parallel environmental need to reduce the carbon footprint, energy efficient mobile radio is a very important issue and future challenge. Additionally, increased number of standards, frequency bands and applications require flexible and sustainable solutions.
Patrick Jueschke +5 more
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International journal of numerical modelling
In this paper, an automatic multi‐objective particle swarm optimization (AMOPSO) method is developed for the design of Doherty power amplifiers (DPAs).
Zefang Hao +4 more
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In this paper, an automatic multi‐objective particle swarm optimization (AMOPSO) method is developed for the design of Doherty power amplifiers (DPAs).
Zefang Hao +4 more
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