Results 31 to 40 of about 10,259 (303)
Design and Stability Analysis Techniques for Switching-Mode Nonlinear Circuits: Power Amplifiers and Oscillators [PDF]
, 2006 A design technique for kW level switching mode power amplifiers is presented. Several push pull pairs, independently tuned to Class E/Fodd, are combined by a distributed active transformer.
Jeon, Sanggeun
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A Maximum Efficiency-86% Hybrid Power Modulator for 5G New Radio(NR) Applications
Applied Sciences, 2022 A hybrid power modulator is presented for the radio frequency (RF) power amplifiers of 5th generation mobile communication technology (5G) new radio (NR) applications. A hybrid power modulator utilizing a two-level switching converter and a broadband and
Xingli Cui +4 more
doaj +1 more source
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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Sensors, 2023 This paper presents a low-noise amplifier (LNA) with an integrated input and output matching network designed using RF-SOI technology. This LNA was designed with a resistive feedback topology and an inductive peaking technology to provide 600 MHz of ...
Min-Su Kim, Sang-Sun Yoo
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A high-gain cell enhancer [PDF]
, 1992 A cell enhancer that offers a combination of high-grain and high output power with extremely good linearity is described. The prototype repeater offers an active gain of at least 100 dB over a bandwidth of several megahertz.
Slingsby, WT, McGeehan, JP
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Broadband Class-J GaN Doherty Power Amplifier [PDF]
, 2022 This paper presents a broadband 3 GHz–3.7GHz class-J Doherty power amplifier exploiting second harmonic tuning in the output network. Furthermore, the output impedance inverter is eliminated and its effect is embedded in the main device’s output matching
Motahhareh Estebsari +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 S band power amplifier based on the GaN HEMT
Dianzi Jishu Yingyong, 2019 This paper uses internal matching technology and the cell structure of a single cell to design and implement a design of 3.8～4.2 GHz power amplifier. The amplifier is based on a GaN HEMT independently developed by Nanjing Electronic Device Institute.
Zhang Shuyuan, Zhong Shichang
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Circuits and Systems for Wireless Concurrent Communication [PDF]
, 2009 Concurrency is a special kind of analog circuit parallelism that uses a single circuit with necessary bandwidth to process multiple signals at the same time. Concurrent radios offer a higher data rate and improved system diversity.
Wang, Yu-Jiu
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Ku-band 500W Amplitude-phase Coherence Pulsed MPM for Ocean Exploration [PDF]
E3S Web of Conferences, 2021 The spatial high-resolution synthetic aperture radar (SAR) for ocean exploration puts forward higher requirement for output power and amplitude-phase consistency of the pulsed TWT amplifier.
Huang Weibo +4 more
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