Y. Tu, A. Ali, F. Elmegri, M. Abousitta, R. Abd‐Alhameed, A. Hussaini, I. Elfergani, J. Rodriguez, A. Atiah
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引用次数: 1
摘要
设计并开发了一种新型的多标准双宽带滤波器，其紧凑尺寸仅为8.8 mm × 16.8mm。该滤波器基本带宽为1.6GHz，分频带宽(FBW)为29.7%，以5.4GHz为中心;第二带宽为300.0MHz, FBW为3.6%，以8.15GHz为中心。基本双宽带宽是由改进的多面体对与上部短段负载阶跃阻抗谐振器相互作用产生的。此外，增加的下短段负载阶跃阻抗谐振器(SLSIR)通过拓宽带宽和优化反射系数性能进一步提高了通带性能。为了验证所提出的思想，采用Ansoft HFSS软件对多标准滤波器进行了设计和仿真。模拟结果与理论预测吻合较好。该滤波器具有两个频段的宽频带和小型化的特点，在未来的多标准无线通信中具有广阔的应用前景。
A novel multi-standard dual-wide band polygon SLSIR filter
A novel multi-standard dual-wide band filter with a compact size of only 8.8 mm by 16.8mm is designed and developed for transceiver devices. The proposed filter has a fundamental bandwidth of 1.6GHz with fractional bandwidth (FBW) of 29.7% centered at the 5.4GHz band, and second bandwidth of 300.0MHz with FBW of 3.6% centered at the 8.15GHz band. The basic dual-wide bandwidth is attributed to the interaction of the novel modified polygon pair and upper stub loaded stepped impedance resonator. Moreover, the added down stub loaded stepped impedance resonator (SLSIR) further enhances the pass band performance by widening the bandwidth and optimizing reflection coefficient performance considerably. To validate the proposed ideas, the multi-standard filter is designed and simulated by Ansoft HFSS software. The simulated results agree well with the theory predictions. The featured broad bandwidths over two frequency bands and the miniaturized size of the proposed filter make it very promising for applications in future multi-standard wireless communication.
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