Pseudo-Doherty load-modulated balanced amplifier with wide bandwidth and extended power back-off range

Y Cao, K Chen - IEEE Transactions on Microwave Theory and …, 2020 - ieeexplore.ieee.org
This article presents a novel architecture of load-modulated balanced amplifier (LMBA) with
a unique load-modulation characteristic different from any existing LMBAs and Doherty …

Continuous-mode hybrid asymmetrical load-modulated balanced amplifier with three-way modulation and multi-band reconfigurability

Y Cao, H Lyu, K Chen - … Transactions on Circuits and Systems I …, 2021 - ieeexplore.ieee.org
This article introduces a novel high-order load modulation power amplifier (PA) architecture,
ie, continuous-mode hybrid asymmetric load modulated balanced amplifier (H-ALMBA). The …

Asymmetrical load modulated balanced amplifier with continuum of modulation ratio and dual-octave bandwidth

Y Cao, H Lyu, K Chen - IEEE Transactions on Microwave …, 2020 - ieeexplore.ieee.org
This article presents a new load-modulation power amplifier (PA) architecture—
asymmetrical load-modulated balanced amplifier (ALMBA). It is for the first time discovered …

Analysis and design of highly efficient wideband RF-input sequential load modulated balanced power amplifier

J Pang, Y Li, M Li, Y Zhang, XY Zhou… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
The analysis and design of an RF-input sequential load modulated balanced power
amplifier (SLMBA) are presented in this article. Unlike the existing LMBAs, in this new …

Broadband RF-input continuous-mode load-modulated balanced power amplifier with input phase adjustment

J Pang, C Chu, Y Li, A Zhu - IEEE transactions on microwave …, 2020 - ieeexplore.ieee.org
This article presents the theory and design methodology of broadband RF-input continuous-
mode load-modulated balanced power amplifier (CM-LMBA) by introducing the CM output …

A 24–28-GHz GaN MMIC synchronous Doherty power amplifier with enhanced load modulation for 5G mm-wave applications

RJ Liu, XW Zhu, J Xia, ZM Zhao, Q Dong… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
In this article, a load-modulation enhanced wideband compact high-efficiency millimeter-
wave (mm-wave) gallium nitride (GaN) monolithic microwave integrated circuit (MMIC) …

Waveform Engineered Sequential Load Modulated Balanced Amplifier With Continuous Class-F−1 and Class-J Operation

C Chu, T Sharma, SK Dhar, R Darraji… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents a novel waveform engineered sequential load modulated balanced
amplifier (W-SLMBA) that uses a continuous Class-F− 1 control amplifier (CA) to manipulate …

Symmetrical load modulated balanced power amplifier with asymmetrical output coupling for load modulation continuum

P Saad, R Hou - IEEE Transactions on Microwave Theory and …, 2022 - ieeexplore.ieee.org
This article presents a technique for load-modulated balanced amplifiers (LMBAs) to
achieve a continuum of load modulation (LM) ratio. This has been possible in prior arts …

A Doherty power amplifier with extended high-efficiency range using three-port harmonic injection network

X Zhou, WS Chan, T Sharma, J Xia… - … on Circuits and …, 2022 - ieeexplore.ieee.org
In this paper, a Doherty power amplifier (DPA) using a novel three-port harmonic injection
network (HIN) to extend its high-efficiency range is proposed. With the help of a part of the …

A generic theory for design of efficient three-stage Doherty power amplifiers

H Zhou, JR Perez-Cisneros, S Hesami… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
An analytical load—pull-based design methodology for three-stage Doherty power
amplifiers (PAs) is presented and demonstrated. A compact output combiner network …