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首页> 外文期刊>Electromagnetic Compatibility, IEEE Transactions on >Design of Single-Turn Spiral Inductors With Embedding A Strong-Coupling LC Resonator for Interference Suppression
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Design of Single-Turn Spiral Inductors With Embedding A Strong-Coupling LC Resonator for Interference Suppression

机译：嵌入强耦合LC谐振器的单匝螺旋电感器设计，用于抑制干扰

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摘要

This paper presents a study on the interference suppression effect of a resonator-embedded spiral inductor topology. In the proposed topology, a conventional single-turn spiral inductor is integrated with an embedded strong coupling LC resonator on a printed circuit board. This LC resonator can be designed with a specific resonant frequency near but below the operation band to achieve interference suppression by way of redirecting the magnetic flux emitted from the spiral inductor to the resonator, rather than toward the other spiral inductors outside around. In this paper, the design of interference suppression is mainly demonstrated at the LTE 700-MHz band. From the experimental results in a contrast case, the interference at 700 MHz can be depressed more than 20 dB by the proposed topology as referred to a conventional spiral inductor. The proposed topology can provide a design freedom in any interested frequency bands, such as the popular GSM bands (900/1800 MHz) or ISM bands (2.4 GHz), by changing the capacitance value of the resonator. To verify the interference suppression effect resulted from the proposed topology, electromagnetic simulations and experimental measurements in both frequency domain and time domain are conducted to provide the more in-depth view.
机译：本文对谐振器嵌入式螺旋电感拓扑的干扰抑制效果进行了研究。在提出的拓扑结构中，常规的单匝螺旋电感器与印刷电路板上的嵌入式强耦合LC谐振器集成在一起。可以将这种LC谐振器设计为在工作频带附近但低于工作频带的特定谐振频率，以通过将从螺旋电感器发出的磁通重定向到谐振器，而不是朝向周围的其他螺旋电感器来实现干扰抑制。本文主要在LTE 700-MHz频段上演示了干扰抑制的设计。从对比情况下的实验结果来看，所提出的拓扑结构可以将700 MHz的干扰抑制超过20 dB，这被称为常规螺旋电感器。通过改变谐振器的电容值，所提出的拓扑可以在任何感兴趣的频带（例如流行的GSM频带（900/1800 MHz）或ISM频带（2.4 GHz））中提供设计自由。为了验证所提出的拓扑结构产生的干扰抑制效果，在频域和时域进行了电磁仿真和实验测量，以提供更深入的了解。

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