基于谐波控制技术的5G高效宽带GaAs HBT多尔蒂功率放大器

IF 4 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Circuits and Systems II: Express Briefs Pub Date : 2025-03-07 DOI:10.1109/TCSII.2025.3549058

Shuang Liu;Jingzhou Pang;Ruibin Gao;Zhijiang Dai;Mingyu Li;Shichang Chen;Weimin Shi

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引用次数: 0

摘要

本文介绍了一种用于5G n77和n78频段的高效Doherty功率放大器（DPA）的设计和制造。该架构基于2- $\mu $ m GaAs异质结双极晶体管（HBT）工艺，实现了面积为$1.7\ × 1.4~{{\text {mm}}^{{2}}}$的单片微波集成电路（MMIC）。此外，输出网络与罗杰斯4350 PCB上的负载调制网络一起设计，其中增加了高次谐波控制电路以提高效率。该DPA工作在3.1-4.2 GHz范围内，分数带宽超过30%，饱和输出功率超过33.8 dBm，饱和功率附加效率（PAE）范围为39.6% ~ 44.9%，6db功率回退（PBO） PAE范围为42.3% ~ 46.1%。

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Highly-Efficient Broadband GaAs HBT Doherty Power Amplifier With Harmonic Control Technique for 5G Application

This brief presents the design and fabrication of a highly-efficient Doherty power amplifier (DPA) for 5G n77 and n78 bands. The proposed architecture is based on a 2-

$\mu $

m GaAs heterojunction bipolar transistor (HBT) process to realize a monolithic microwave integrated circuit (MMIC) with an area of

$1.7\times 1.4~{{\text {mm}}^{{2}}}$

. Additionally, An output network is designed in conjunction with the load modulation network on the Rogers 4350 PCB, which is augmented with high-order harmonic control circuit for efficiency enhancement. The proposed DPA, operating within the 3.1-4.2 GHz range, exhibits a fractional bandwidth over 30%, a saturated output power over 33.8 dBm, a saturated power-added efficiency (PAE) ranging from 39.6% to 44.9%, and a 6 dB power back-off (PBO) PAE of 42.3% to 46.1%.

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来源期刊

IEEE Transactions on Circuits and Systems II: Express Briefs 工程技术-工程：电子与电气

CiteScore

7.90

自引率

20.50%

发文量

883

审稿时长

3.0 months

期刊介绍： TCAS II publishes brief papers in the field specified by the theory, analysis, design, and practical implementations of circuits, and the application of circuit techniques to systems and to signal processing. Included is the whole spectrum from basic scientific theory to industrial applications. The field of interest covered includes: Circuits: Analog, Digital and Mixed Signal Circuits and Systems Nonlinear Circuits and Systems, Integrated Sensors, MEMS and Systems on Chip, Nanoscale Circuits and Systems, Optoelectronic Circuits and Systems, Power Electronics and Systems Software for Analog-and-Logic Circuits and Systems Control aspects of Circuits and Systems.