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3.3-4.3GHz高效连续的F类化功率放大器,基于简化的真实频率技术和和调
Md Golam Sadeque1, Zubaida Yusoff2, Mardeni Roslee2
1Department of Electrical and Electronic Engineering, Pabna University of Science & Technology, Pabna, Bangladesh.
PloS one
|August 14, 2024
概括
本研究介绍了一种宽带射频功率放大器 (RFPA),用于在3.3-4.3GHz频段运行的5G通信系统. 该设计采用简化的真实频率技术,在整个带宽上实现高排水效率和线性.
科学领域:
- 电气工程 电气工程
- 电信工程 电信工程 电信工程
- 无线电频率 (RF) 工程
背景情况:
- 第五代 (5G) 通信系统需要高效的功率放大器,用于低频段 (3.3-4.3 GHz).
- 为这些频率设计宽带射频功率放大器 (RFPA) 在阻抗匹配和效率方面存在挑战.
研究的目的:
- 为3.3-4.3 GHz 5G频段提出和验证宽带RFPA设计.
- 为10W化 (GaN) 设备优化输入和输出匹配网络.
主要方法:
- 使用简化实频技术 (SRFT) 设计输入和输出匹配网络 (MN).
- 在整个带宽的100 MHz间隔使用负载拉动和源拉动模拟.
- 设计了一种用于性能提升的调网络.
- 通过模拟和实验测量验证了RFPA设计.
主要成果:
- 在3.3-4.3 GHz频段中,在40 dBm输出功率下,达到57.5%至67.5%的测量排水效率 (DE).
- 在3.3GHz (1dB压缩点) 的42.2dBm输出功率下达到81.2%的DE峰值.
- 在3.5 GHz时获得了12.4dB的最大增益.
- 在整个频段中显示的线性与低于-22dBc的双音信号.
结论:
- 拟议的宽带RFPA设计有效地在3.3-4.3 GHz 5G频段内运行.
- 该设计实现了高效率和线性,满足了5G通信的需求.
- 使用的SRFT和调技术适合宽带RFPA开发.
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