在多层印刷电路板设计中,将特征性阻抗补偿切断应用于完整的射频链
Vaidotas Barzdenas1, Aleksandr Vasjanov1
1Department of Computer Science and Communications Technologies, Vilnius Gediminas Technical University, 10105 Vilnius, Lithuania.
Sensors (Basel, Switzerland)
|January 26, 2024
概括
这项研究通过引入一种新的结构来提高无线系统的微条线信号完整性,该结构可以减轻由表面安装技术 (SMT) 造成的阻抗不连续性. 拟议的补偿技术有效地改善了高频应用中的阻抗匹配和传输性能.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 信号的完整性 信号的完整性
背景情况:
- 现代无线通信系统对于医疗保健,教育,物联网和5G至关重要,需要先进的电子设备.
- 改进无线系统需要解决微条线路信号完整性的工程挑战.
- 表面安装技术 (SMT) 组件可以对高频电路中的信号完整性产生负面影响.
研究的目的:
- 调查SMT组件对微条线路信号完整性的影响.
- 提出和分析一种新的高频微条线路结构,以减轻阻抗不连续性.
- 展示有效的特征阻抗补偿技术,以改善信号传输.
主要方法:
- 引入阶段式微条线路和特征阻抗补偿技术.
- 六层印刷电路板 (PCB) 结构的设计和分析.
- 使用时间域反射计和散射参数测量进行实验验证.
主要成果:
- 拟议的补偿微条线结构实现了52.7 Ω的平均阻抗,比参考值偏差2.5%.
- 补偿方法,包括参考平面切线,有效地调整阻抗到目标值在10%的宽容范围内.
- 观察到阻抗匹配和传输系数的显著改善.
结论:
- 新的微条线结构和补偿技术在提高信号完整性方面是有效的.
- 这项研究为先进的无线系统中强大的高频微带传输线路设计提供了宝贵的见解.
- 这些发现有助于开发更可靠,更高性能的无线通信技术.
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