RF-SOI低噪音放大器使用RC反和系列感应峰值技术为5G新无线电应用
1Department of Information and Electronic Engineering, Mokpo National University, Muan 58554, Republic of Korea.
Sensors (Basel, Switzerland)
|July 14, 2023
概括
这项研究引入了一种针对N79频段优化的新型低噪声放大器 (LNA),实现600MHz带宽,具有出色的噪声性能. 该设计整合了匹配网络,并利用电阻反和感应峰值来增强射频应用.
科学领域:
- 电气工程 电气工程
- 无线电频率 (RF) 工程
- 半导体设备物理 半导体设备物理
背景情况:
- 宽带低噪声放大器 (LNA) 对现代无线通信系统至关重要,特别是在像N79.9这样的频段.
- 同时实现宽带宽和低噪声,由于传统电阻反拓学的权衡,这给设计带来了重大挑战.
- 优化阻抗匹配对于最大化信号传输和最小化射频电路中的噪声至关重要.
研究的目的:
- 为N79频段 (4.4GHz至5.0GHz) 设计和模拟一个具有集成匹配网络的高性能低噪声放大器 (LNA).
- 研究和优化电阻反拓,并采用感应峰值来提高带宽和噪声性能.
- 展示使用RF-Silicon-On-Insulator (RF-SOI) 技术的实用LNA设计,适用于苛刻的无线应用.
主要方法:
- 采用了电阻反拓,并结合了用于宽带操作的感应峰值.
- 针对N79频段的反电阻值进行了优化,以提高噪声性能.
- 将集成的输入和输出匹配网络直接纳入LNA设计.
- 使用RF-SOI技术进行制造.
主要成果:
- 在N79频段 (4.4GHz至5.0GHz) 中实现了600MHz的带宽.
- 在指定的频率范围内,模拟收益为20.68dB和19.94dB.
- 获得的低噪声值为1.57dB和1.73dB.
- 集成的输入/输出匹配网络,并报告了9.95mA的功耗在1.2V供应.
结论:
- 拟议的LNA设计有效地平衡了N79频段的宽带和低噪声性能.
- 优化的电阻反和感应性峰值技术是实现卓越射频性能的关键.
- 采用RF-SOI技术的集成设计为下一代无线通信系统提供了有希望的解决方案.
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