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Gain enhanced tunable stacked antenna using ferromangetics and ferroelectrics

机译:利用铁磁学和铁电学获得增强的可调谐堆叠天线

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High gain tunable annular ring antenna structure for WiFi band are reported by stacking passive elements over an active element realized on a composite substrate of ferromagnetic nanoparticles or ferroelectric thin films with FR4 baseline substrate. Low Coercivity material with high refraction index, low loss, and high saturation moment are attractive in realization of tunable small sized radio frequency (RF) circuits. The FeCo antenna designed shows 26% tunability per 1kG of applied DC magnetic field. The Finite Element Method (FEM) computational method is used for designing and performance optimizing to achieve high gain. The FeCo was characterized to have permeability of (μr>10, tarδ150, tarδ<;0.02). This paper addresses the use of Fe60Co40 soft magnetic nanoparticles to realize high gain tunable stacked antennas for WiFi band and possible improvements using manganese-doped Ba0.8Sr0.2TiO3(BST) soft ferroelectic thin films.
机译:通过将无源元件堆叠在实现在铁磁纳米颗粒或铁电薄膜与FR4基线基板的复合基板上的有源元件上,报道了用于WiFi频段的高增益可调谐环形环形天线结构。具有高折射率,低损耗和高饱和矩的低矫顽力材料在实现可调谐小型射频(RF)电路方面具有吸引力。设计的FeCo天线每施加1kG的直流磁场显示26%的可调谐性。有限元方法(FEM)计算方法用于设计和性能优化,以实现高增益。 FeCo的特征在于具有(μr> 10,tarδ150,tarδ<; 0.02)的磁导率。本文探讨了使用Fe60Co40软磁性纳米粒子实现WiFi频段的高增益可调谐堆叠天线,以及使用掺锰的Ba0.8Sr0.2TiO3(BST)软铁电薄膜可能进行的改进。

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