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

G Bai, F Xiao, 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 …

Design of dual-band Doherty power amplifier using a new phase compensation technique

K Zhong, Z Dai, F Xiao, R Gao, W Shi… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this brief, a novel methodology for designing a dual-band Doherty power amplifier (DPA)
is proposed by using different current combining phases between the carrier and peaking …

Fully-integrated broadband GaAs MMIC load modulated balanced amplifier for sub-6 GHz applications

W Chen, Y Wu, S Li, W Wang - IEEE Transactions on Circuits …, 2023 - ieeexplore.ieee.org
In this brief, a monolithically integrated broadband load modulated balanced amplifier
(LMBA) chip without BA pre-matching network is proposed and designed. It is the first time …

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 …

Design of Broadband Doherty Power Amplifier Based on Single Loop Load Modulation Network

G Bai, Z Dai, J Wang, C Bi, W Shi… - IEEE Journal on …, 2024 - ieeexplore.ieee.org
This paper proposes a Doherty power amplifier (DPA) architecture with potential for
wideband and high efficiency, denoted as single-loop load matching network DPA (SL …

A highly-efficient Doherty power amplifier with generalized parallel-circuit class-EF mode

C Liu, X Li, FM Ghannouchi - IEEE Transactions on Circuits and …, 2023 - ieeexplore.ieee.org
In this brief, a highly-efficient Doherty power amplifier (DPA) architecture with generalized
parallel-circuit class-EF mode is proposed. With this topology, the ideal harmonic …

A Broadband Asymmetrical Doherty Power Amplifier With Optimized Continuous Mode Harmonic Impedances

A Pitt, G Jindal, K Morris… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
This article presents a design methodology for an asymmetrical Doherty Power Amplifier
(DPA) which achieves a high average efficiency at back off across its operating bandwidth. It …

Dual-mode dual-band symmetrical doherty power amplifier employing reciprocal gate bias for high-efficiency range enhancement

Y Han, Y Zhang, M Ren, H Lin, S Liu, R Gao… - … -International Journal of …, 2024 - Elsevier
This article presents an in-depth exploration of the circuit architecture and design approach
for broadening the high-efficiency range of dual-mode symmetrical Doherty power amplifiers …

Asymmetric Doherty power amplifier design considering the effects of peaking power amplifier early conduction

Y Zhong, Z Dai, S Hu - AEU-International Journal of Electronics and …, 2024 - Elsevier
During the design of a Doherty power amplifier (DPA), the phenomenon of peaking PA
turning on in advance is commonly observed. This is mainly due to the feedback of the main …

A symmetrical fully-integrated CMOS doherty power amplifier

S Ebazadeh, M Meghdadi, A Medi - Microelectronics Journal, 2024 - Elsevier
This paper presents a new method to enhance the efficiency of a symmetrical doherty power
amplifier (DPA) by fully utilizing the current driving capability of a class-C biased peaking …