Analysis and design of symmetrical coupled Doherty power amplifier with extended high-efficiency range

Y Zhang, R Gao, S Liu, Y Han, M Ren, H Lin… - … -International Journal of …, 2024 - Elsevier
This paper presents a novel Doherty power amplifier (DPA) structure that employs two equal-
cell transistors with an extended high-efficiency range. It is illustrated that the DPA high …

New load modulation combiner having a capability of back-off control for Doherty power amplifiers

Y Chen, W Choi, J Shin, H Jeon, S Bae, YC Choi… - IEEE …, 2023 - ieeexplore.ieee.org
A new load modulation combiner (LMC) having the capability of back-off control is proposed
for a Doherty power amplifier (DPA). The proposed LMC consists of two transmission lines …

Simplified all-in-one load network of the broadband Doherty power amplifier

Y Chen, W Choi, J Shin, H Jeon, S Bae… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
A simplified all-in-one load network of Doherty power amplifier (DPA) was proposed for
extended back-off range and broadband operation in this study. Although the proposed load …

Generalized expression and design method of modified load networks for Doherty power amplifier with extended back-off range

Y Chen, W Choi, J Shin, H Jeon, S Bae, YC Choi… - IEEE …, 2022 - ieeexplore.ieee.org
This paper presents a generalized expression of the modified load networks (MLNs) for
Doherty power amplifiers (DPAs) with an extended output power back-off (OBO) range …

Publication Frequency

F Ziraksaz - 2024 - aber.apacsci.com
This review paper presents a comprehensive study of commonly used power amplifier (PA)
structures. In recent years, with the development of modern wireless telecommunications …

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 …

An Efficient Asymmetric Outphasing Power Amplifier With Extended Back-Off Range for 5G Applications

BH Zeng, WS Chan, SY Zheng… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
5G and future 6G wireless communication systems are pushing the practical limits on the
modulation schemes that can be achieved in practice. These higher-level modulation …

Broadband Virtual-Stub Doherty Power Amplifier Using Asymmetric Structure

J Shin, W Choi, Y Chen, H Jeon, S Bae, YC Choi… - IEEE …, 2023 - ieeexplore.ieee.org
The load networks of advanced Doherty power amplifiers (DPAs) have traditionally been
designed according to the ABCD parameters. In this paper, design conditions as an …

[HTML][HTML] 23.5–27.5 GHz Band Doherty Power Amplifier Integrated Circuit Using 28 nm Bulk CMOS Process Based on Dynamic Power Dividing Network

YC Choi, S Bin, KC Hwang, KY Lee, Y Yang - Electronics, 2024 - mdpi.com
This paper presents a Doherty power amplifier (DPA) integrated circuit (IC) designed to have
enhanced gain, efficiency, and AM-AM characteristics through a dynamic power dividing …

New compact load network for Doherty power amplifiers based on L-section matching network of the carrier amplifier and post-matching network

Y Chen, W Choi, J Shin, H Jeon, S Bae, S Bin… - IEEE …, 2023 - ieeexplore.ieee.org
This paper presents a new compact load network for Doherty power amplifiers (DPAs) with
only two matching networks, such as an output matching network of the carrier amplifier, and …