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 …

Broadband three-stage pseudoload modulated balanced amplifier with power back-off efficiency enhancement

J Sun, F Lin, H Sun, W Chen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article presents a broadband three-stage pseudoload modulated balanced amplifier (P-
LMBA) with enhanced power back-off efficiency. Unlike the conventional LMBAs, one of the …

A broadband outphasing GaN power amplifier based on reconfigurable output combiner

W Wang, S Li, S Chen, J Cai, Y Li… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This article introduces a broadband outphasing power amplifier (OPA) design in virtue of a
reconfigurable output combiner. Two T-type matching structures loaded with varactors are …

Sequential LMBA design technique for improved bandwidth considering the balanced amplifiers off-state impedance

C Belchior, LC Nunes, PM Cabral… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This work proposes a design technique to improve the bandwidth of sequential load-
modulated balanced amplifiers (SLMBAs). It is theoretically demonstrated that a finite OFF …

Green and highly efficient MIMO transceiver system for 5G heterogenous networks

YIA Al-Yasir, AM Abdulkhaleq… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The paper presents the general requirements and an exemplary design of the RF front-end
system that in today's handset is a key consumer of power. The design is required to …

High-efficiency dual-band filtering Doherty power amplifier based on multi-function circuit

H Chen, JX Xu, W Chen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article presents a high-efficiency dual-band filtering Doherty power amplifier (DPA)
using multi-function circuits for simplifying the structure. A dual-band filtering power …

Divisional load-modulated balanced amplifier with extended dynamic power range

W Shi, X Li, C Hu, T Cai, G Naah, Z Dai… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
With the prevalence of complex modulated signals, it is of utmost significance to research
the extension of the dynamic power range of radio frequency (RF) power amplifiers (PAs) …

An efficient broadband symmetrical Doherty power amplifier with extended back-off range

JR Zhang, SY Zheng, N Yang - IEEE Transactions on Circuits …, 2022 - ieeexplore.ieee.org
In this brief, a symmetrical Doherty power amplifier (DPA) which exhibits enhanced
efficiency, bandwidth and output power back-off range by phase compensation, is proposed …

Single-input broadband hybrid Doherty power amplifiers design relying on a phase sliding-mode of the load modulation scheme

C Liang, P Roblin, Y Hahn… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This work introduces a novel design theory for a single-input hybrid Doherty power amplifier
(PA) inspired by the design space existing within the previously reported dual-input Doherty …

A broadband Doherty power amplifier with a new load modulation network

J Nan, H Wang, M Cong, W Yang - IEEE Access, 2021 - ieeexplore.ieee.org
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). The quarter …