Enhancing bandwidth and back-off range of Doherty power amplifier with modified load modulation network

Y Xu, J Pang, X Wang, A Zhu - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article presents a novel methodology for designing a broadband Doherty power
amplifier (DPA) with extended output power back-off (OBO) range. A modified load …

A dual-band and dual-state Doherty power amplifier using metal-integrated and substrate-integrated suspended line technology

L Zhang, K Ma, H Fu, F Feng… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this article, a novel design method of dual-band and dual-state (DBDS) Doherty power
amplifier (DPA) is proposed. Considering the actual parasitic parameters, the DPA can be …

A circuit solving method for output matching network parameters of Doherty power amplifiers

G Bai, F **ao, Y Zhong, Z Dai - AEU-International Journal of Electronics …, 2024 - Elsevier
In this paper, all possible numerical solutions are provided when the matching conditions for
Doherty power amplifier (DPA) back-off and saturation states are met. Firstly, this article …

Impact of nonideal auxiliary current profile on linearity of microwave Doherty amplifiers: Theory and experiments

HY Liu, J **e, KKM Cheng - … on Circuits and Systems I: Regular …, 2022 - ieeexplore.ieee.org
A new nonlinear effect of Doherty power amplifier (DPA) caused by the nonideal auxiliary
current is disclosed. In contrary to traditional assumption, the auxiliary current profile is found …

Design of Wideband Asymmetric Doherty Power Amplifier Using a New Phase Compensation Technique

Z Dai, S Kong, W Feng, S Tian, W Shi… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article proposes a new phase compensation technique to expand the operating
bandwidth of an asymmetric Doherty power amplifier (ADPA). Its operation principle is to …

A high-relative-bandwidth Doherty power amplifier with modified load modulation network for wireless communications

H Zhu, Z Zhang, C Gu, X Xuan - Sensors, 2023 - mdpi.com
This paper presents a novel load modulation network to realize a broadband Doherty power
amplifier (DPA). The proposed load modulation network consists of two generalized …

Compact load network having a controlled electrical length for Doherty power amplifier

K Kwon, W Choi, J Shin, Y Chen, YC Choi, S Bae… - IEEE …, 2022 - ieeexplore.ieee.org
The load network of the carrier amplifier for the conventional Doherty power amplifier (DPA)
consists of an impedance matching circuit, an offset line, and a/4 transmission line (TL), so …

Bandwidth-enhanced Doherty power amplifier with optimized quasi-resistive power-combing load impedance

K Han, Z Chen, L Geng - IEEE Transactions on Microwave …, 2022 - ieeexplore.ieee.org
This article presents systematic research on the methodology for a wideband post-matching
Doherty power amplifier (PM-DPA). First, closed-form derivations are presented to analyze …

Fully integrated three-way LDMOS Doherty PAs for 1.8–2.2 GHz dual-band and 2.6 GHz m-MIMO 5G applications

M Vigneau, M Ercoli, S Maroldt - International Journal of Microwave …, 2021 - cambridge.org
This paper presents a fully integrated three-way Doherty architecture to address the
challenges of 5G applications using laterally-diffused metal-oxide semiconductor (LDMOS) …

High‐efficiency Doherty power amplifier based on codesign with bonding wires

C Zhong, S He, M Song, C Shen… - Microwave and Optical …, 2024 - Wiley Online Library
In this letter, a method for designing a Doherty power amplifier (DPA) using bare die and
bonding wires (BWs) is proposed. This method adjusts the geometric parameters of BWs to …