5.8 GHz缺口带差分超宽带准八木天线

2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2018-12-01 DOI:10.1109/ISAPE.2018.8634333

Xinyi Wang, Wei Zhang, Mingliang Huang

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引用次数: 0

摘要

提出了一种紧凑的差分超宽带平面准八木天线。该天线不仅可以实现3.8 ~ 9.5 GHz的宽差模(DM)阻抗带宽，而且通过采用平衡阶跃阻抗微带-槽线过渡结构实现高宽带共模(CM)抑制。此外，DM通带与CM响应无关，大大简化了设计过程。此外，通过在微带线附近对称地增加一对四分之一波长的短路短桩，可以产生5.8 GHz的DM切波锐利带。为了说明该设计的有效性，设计、制作并测量了一个天线样机。模拟结果与实测结果吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Differential UWB Quasi-Yagi Antenna with a Notched Band at 5.8 GHz

A compact differential ultra-wide band (UWB) planar quasi-Yagi antenna is presented in this paper. The proposed antenna can not only realize a wide differential-mode (DM) impedance bandwidth covering from 3.8 to 9.5 GHz, but achieve a high and wideband common-mode (CM) suppression by employing the balanced stepped-impedance microstrip-slotline transition structure. Besides, the DM passband is independent from the CM response, simplifying the design procedure significantly. In addition, a sharp DM notched band at 5.8 GHz is generated by adding one pair of quarter-wavelength short-circuited stubs adjacent to the microstrip line symmetrically. In order to illustrate the effectiveness of the design, one prototype of the antenna is designed, fabricated, and measured. A good agreement between the simulated and measured results is observed.

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来源期刊

2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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