A Novel Stepped-Flower Shaped UWB Frequency Reconfigurable Printed Filtering Antenna Using PIN Diodes with Trackable Notch-Band for Mid-5G Band & X-Band Applications

IF 1 4区工程技术 Q4 INSTRUMENTS & INSTRUMENTATION

MAPAN Pub Date : 2024-10-14 DOI:10.1007/s12647-024-00778-7

Atanu Chowdhury, Prashant Ranjan

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引用次数: 0

Abstract

A novel Ultra Wide-Band (UWB) frequency reconfigurable filtering antenna (or reconfiltenna) is presented in this research article. In the first step, a stepped-flower-shaped UWB antenna is optimized having a 3.5–14.1 GHz band. In the next step, a UWB filter with two stubs is designed to pass the frequency band from 3 GHz to 11.2 GHz having a stop band (notch) in between them from 5.9 GHz to 7.1 GHz. Then, the filter is merged with the feedline of the UWB antenna. The radiating patch is coupled at the output of the filter forming the filtering antenna or filtenna. This filtenna operates from 3.52 GHz to 10.1 GHz with a notch band of 5.42 GHz to 6.8 GHz. Finally, six PIN diodes are embedded in the stubs of the filter to vary the effective length of the stubs by switching ON/OFF the PIN diodes in different combinations. This variation, in turn, produces a controllable or trackable notch-band. The proposed reconfiltenna carries a small volume of 32 mm × 27 mm × 0.2 mm with a thin photo paper substrate. It produces a maximum gain and efficiency of around 7.54 dBi and 83% respectively. The simulated outcomes are cross-referenced and confirmed through comparison with experimental results.

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使用 PIN 二极管的新型阶梯花形 UWB 频率可重构印刷滤波天线，具有可跟踪的凹口波段，适用于 5G 中频段和 X 波段应用

本文介绍了一种新型超宽带（UWB）频率可重构滤波天线（或称重构天线）。第一步，优化了阶梯花形 UWB 天线，其频带为 3.5-14.1 GHz。下一步，设计一个带有两个存根的 UWB 滤波器，以通过 3 GHz 至 11.2 GHz 的频段，在它们之间有一个 5.9 GHz 至 7.1 GHz 的阻带（陷波）。然后，滤波器与 UWB 天线的馈线合并。辐射贴片与滤波器的输出端耦合，形成滤波天线或滤波器。滤波器的工作频率为 3.52 GHz 至 10.1 GHz，陷波带为 5.42 GHz 至 6.8 GHz。最后，6 个 PIN 二极管被嵌入滤波器的管桩中，通过不同组合的 PIN 二极管开关来改变管桩的有效长度。这种变化反过来又产生了可控或可跟踪的陷波带。所提出的重组天线体积小，仅为 32 mm × 27 mm × 0.2 mm，基板为薄型相纸。它的最大增益和效率分别约为 7.54 dBi 和 83%。模拟结果与实验结果进行了交叉对比和确认。

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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来源期刊

MAPAN 工程技术-物理：应用

CiteScore

2.30

自引率

20.00%

发文量

审稿时长

3 months

期刊介绍： MAPAN-Journal Metrology Society of India is a quarterly publication. It is exclusively devoted to Metrology (Scientific, Industrial or Legal). It has been fulfilling an important need of Metrologists and particularly of quality practitioners by publishing exclusive articles on scientific, industrial and legal metrology. The journal publishes research communication or technical articles of current interest in measurement science; original work, tutorial or survey papers in any metrology related area; reviews and analytical studies in metrology; case studies on reliability, uncertainty in measurements; and reports and results of intercomparison and proficiency testing.