Results 1 to 10 of about 5,033,045 (217)
A Doherty Power Amplifier for Ultrasound Instrumentation [PDF]
Sensors, 2023 The ultrasound instrumentation uses linear power amplifiers with low power efficiency, generating unwanted heat and resulting in the deterioration of the echo signal quality of measured targets.
Hojong Choi
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Wideband Doherty Power Amplifier: A Design Approach [PDF]
Micromachines, 2022 This paper presents a simple method to design wideband Doherty power amplifiers (DPAs) based on the synthesis of a combiner network which can mimic the response of an ideal compensation of the device reactive output equivalent network and exploit the ...
Jorge Julián Moreno Rubio +2 more
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Design of a Doherty Power Amplifier for GSM Systems
Tikrit Journal of Engineering Sciences, 2011 This paper presents the design and analysis of Doherty power amplifier. The Doherty amplifier is used in a base station for mobile system because of its high efficiency.
Saad Wasmi Osman Luhaib
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Compact Asymmetrical Quasi-MMIC Doherty Power Amplifier [PDF]
Journal of Electromagnetic Engineering and Science, 2023 This paper presents a compact asymmetrical Doherty power amplifier (PA) based on a quasi-MMIC configuration for 5G sub-6 GHz applications. The proposed Doherty PA is composed of commercial GaN HEMTs and several passive components implemented on a silicon
Hong-Sun Yoon +4 more
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A 28-36 GHz Optimized CMOS Distributed Doherty Power Amplifier with A New Wideband Power Divider Structure [PDF]
Journal of Electrical and Computer Engineering Innovations, 2020 Background and Objectives: In this paper, a new design strategy was proposed in order to enhance bandwidth and efficiency of power amplifier.Methods: To realize the introduced design strategy, a power amplifier was designed using TSMC CMOS 0.18um ...
M. Mirzajani Darestani +2 more
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IEEE Access, 2023 We present a theoretical and experimental analysis of the use of a reversed uneven power splitting (RUPS) technique for asymmetric Doherty power amplifiers (PAs).
Cheol Ho Kim, Hyeon-June Kim
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IEEE Access, 2021 This paper presents a new design methodology for broadband Doherty architecture using the three-port input and output networks technique. The proposed topology was developed to overcome the Doherty power amplifier (DPA) bandwidth limitations.
A. M. Elelimy Abounemra +6 more
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A Broadband Doherty Power Amplifier With a New Load Modulation Network
IEEE Access, 2021 In this paper, we proposed a new load modulation method to improve bandwidth and efficiency at output power back-off (OBO) of the Doherty Power Amplifier (DPA).
Jingchang Nan +3 more
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Design of a Load Modulated Balanced Amplifier with a Two-Stage Control Power Amplifier [PDF]
Journal of Electromagnetic Engineering and Science, 2023 While an ideal Doherty power amplifier has a linear response, the load modulated balanced amplifier (LMBA) has a compressive response under ideal conditions.
Sagini E. Mochumbe, Youngoo Yang
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Energies, 2023 Similar to a Doherty power amplifier (DPA), a sequential power amplifier (SPA) is mainly composed of a main amplifier, an auxiliary amplifier and a combiner.
Keyuan Yang +5 more
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