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2W HBT功率放大器模块具有双秒波抑制技术

Chul-Woo Byeon¹, Joon-Hyung Kim²

¹School of Electronics and Electrical Engineering, College of Engineering, Dankook University, Yongin-si 16890, Republic of Korea.

Sensors (Basel, Switzerland)

|February 26, 2025

概括

本研究介绍了GSM/EDGE的高功率异极连接双极晶体管 (HBT) 功率放大器 (PA) 模块,实现高输出功率和效率. 新的设计增强了移动通信应用程序的线性和性能.

科学领域:

电气工程电气工程
半导体设备半导体设备
无线通信无线通信

背景情况:

高功率放大器对于GSM/EDGE等移动通信系统至关重要.
现有的功率放大器设计在低供应电压下实现高效率和线性方面面临挑战.
异极连接双极晶体管 (HBT) 为高性能功率放大提供了潜力.

研究的目的:

为GSM/EDGE应用设计和展示一个高功率的异质连接双极晶体管 (HBT) 功率放大器 (PA) 模块.
在低供应电压下实现高输出功率和功率增加效率 (PAE).
为了提高在宽带宽的线性,而没有复杂的和终结.

主要方法:

使用差异输出阶段HBT功率放大器设计.
实现了一个基于变压器的输出匹配网络,以组合差异信号.
优化了变压器中心水龙头上的电容值,以提高线性.
集成了PA与低通波器和天线开关,以提高模块性能.

主要成果:

在GSM模式下实现了36dBm的输出功率,PAE>40%在GSM模式下.
在EDGE模式下提供28.5dBm的输出功率,PAE>20%.
在EDGE模式下,在400kHz的偏移下达到 -60dBc的相邻通道功率比.

结论:

拟议的HBT PA模块有效地满足了GSM/EDGE应用程序的苛刻要求.
差异输出阶段和基于变压器的匹配网络为高功率高效放大提供了强大的解决方案.
该设计表现出极好的线性和光谱纯度,这对于现代无线通信标准至关重要.

关键词:

异极连接双极晶体管 (HBT) 是一种双极晶体管.这就是线性线性.功率放大器 (PA) 的功率放大器增加功率的效率 (PAE)

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