一个37-40 GHz的6位开关过器相位变换器使用150 nm的GaN HEMT.
Jae-Hyeok Song1, Eun-Gyu Lee1, Jae-Eun Lee1
1Department of Electronics Engineering, Chungnam National University, Daejeon 34134, Republic of Korea.
Nanomaterials (Basel, Switzerland)
|October 27, 2023
概括
为5G应用开发了一种新的6位相位变换器,实现全360度相位范围,损耗低,相位误差最小. 这个GaN HEMT设备已经准备好用于高功率射频集成.
科学领域:
- 电气工程 电气工程
- 材料科学 材料科学 材料科学
- 电信 电信服务 电信服务 电信服务
背景情况:
- 5G新无线电 (NR) 技术需要先进的射频组件来高效地操纵信号.
- 高频操作,特别是在n260频段 (37-40 GHz),为相变器带来了重大设计挑战.
- 化高电子移动性晶体管 (GaN HEMT) 工艺为高功率和高频应用提供了优势.
研究的目的:
- 为5G n260频段设计和制造一个6位相位变速器.
- 为了实现广泛的相位范围 (360°),具有高精度和低插入损失.
- 为了确保与高功率射频 (RF) 电路的兼容性.
主要方法:
- 使用了150nm的GaN HEMT制造工艺.
- 实现了一个切换过器相位移架构.
- 连接序列的六个单位相位变换器具有从180°到5.625°的个别相位移.
主要成果:
- 制造的相位变换器在37-40 GHz频率范围内有效运行.
- 实现了360°的总相位移范围.
- 展示了5dB的最小插入损失.
- 呈现出一个根平均平方 (RMS) 阶段误差低于5.36°.
结论:
- 开发的6位GaN HEMT相位变换器满足5G n260频段应用的严格要求.
- 该设备提供了出色的相位控制和性能指标,适合集成到高功率射频系统.
- 这项工作为下一代无线通信的射频前端模块的进步做出了贡献.
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