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 38-46-GHz MMIC Doherty power amplifier using post-distortion linearization
, 2013 [[abstract]]This letter describes the first demonstration of a fully integrated Doherty power amplifier (PA) monolithic microwave integrated circuit (MMIC) with post-distortion linearization at millimeter-wave (MMW) frequency band.
Jeng-Han Tsai;Tian-Wei Huang
core
A High-Relative-Bandwidth Doherty Power Amplifier with Modified Load Modulation Network for Wireless Communications. [PDF]
Sensors (Basel), 2023 Zhu H, Zhang Z, Gu C, Xuan X.
europepmc +1 more source
Linearization of the Fifth Generation Power Amplifiers by Injection of the Second Order Digitally Processed Signals [PDF]
RadioengineeringThis paper conducts a validation of two linearization approaches that utilize baseband nonlinear linearization signals of the 2nd order, through practical experiments on an asymmetrical two-way microstrip Doherty amplifier (ADA), and simulations on a ...
A. Atanaskovic +4 more
doaj
Design of a tri-band single-loop load-modulated Doherty power amplifier
Engineering Science and Technology, an International JournalThis article presents a novel tri-band Doherty power amplifier (DPA) architecture based on a single-loop L-C load modulation network. By introducing additional current and power combining nodes, this architecture enhances the degrees of freedom and ...
Yuzhe Fu +5 more
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On the design of high-efficiency RF Doherty power amplifiers
, 2023 Power amplifiers (PAs) are one of the most crucial elements in wireless standards becasue they are the most power hungry subsystems. These elements have to face an important issue, which is the power efficiency, a fact related with the output back-off (OBO).
openaire +4 more sources
Historical Aspect of Load-Modulated Balanced Amplifiers
IEEE AccessThis paper provides a comprehensive overview of the challenges and considerations associated with the design, implementation, and optimization of Load Modulated Balanced Amplifiers (LMBAs).
Akram Sheikhi
doaj +1 more source
Linear Doherty power amplifier design based on adaptive input signal power control
Engineering Science and Technology, an International JournalIn modern wireless communication systems, the trade-off between efficiency and linearity in Doherty power amplifiers (DPAs) remains a critical challenge.
Zhiqing Liu, Ye Zhong, Zhijiang Dai
doaj +1 more source
Harmonic-injection doherty power amplifier: benefits and limitations
3538This paper presents an investigation into the effects of second harmonic (2f0) power injection on the performance of a Doherty power amplifier (DPA).
Maier, Thomas +4 more
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