RF Characterization of 3-D-Printed Tunable Resonators on a Composite Substrate Infused With Magnetic Nanoparticles

IF 2.9 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Microwave and Wireless Components Letters Pub Date : 2022-10-01 DOI:10.1109/LMWC.2022.3175022

Y. Malallah, K. Alhassoon, Gurveer Bhuta, A. Daryoush

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引用次数: 2

Abstract

Three-dimensional additive manufacturing methods are being continuously improved with great interest in low cost and small size radio frequency (RF) circuits. Recent developments in magnetically tunable microwave/RF components are attractive for externally controlled circuits without influencing RF characteristics. This letter focuses on additive manufacturing of ferroic nanomaterials along with their implementation in frequency-tuned RF circuits using an applied magnetic field. Extraction of the additively manufactured magneto-dielectric composite was performed at

$S$

-band frequencies using least squares curve fitting of measured and simulated

$S$

-parameters for annular ring resonator modes. Polylactide (PLA) material used for additive manufacturing was extracted to have

$\varepsilon = 1.80 - j0.031$

. Meanwhile, magnetic CoFe2O4 with 45-nm average nanoparticles size was extracted to have

$\varepsilon $

$3.10 - j0.084$

and

$\mu $

$1.70 - j0.145$

; while Protopasta’s magnetic filament had

$\varepsilon $

$1.80 - j0.031$

and

$\mu $

$2.19 - j0.569$

. The 3-D printed magnetic composite is used to design tunable annular ring resonators at 2.4 GHz with up to 38-MHz frequency tuning for an applied 1-kG magnetic field.

查看原文本刊更多论文

磁性纳米粒子复合衬底上三维印刷可调谐谐振器的射频特性

三维增材制造方法不断得到改进，人们对低成本和小尺寸射频(RF)电路非常感兴趣。磁可调谐微波/射频元件的最新发展对外部控制电路具有吸引力，同时又不影响射频特性。这封信的重点是铁纳米材料的增材制造，以及它们在使用外加磁场的频率调谐RF电路中的实现。采用最小二乘曲线拟合环环形谐振器模式的测量和模拟$S$参数，在$S$ -频带频率下提取增材制造的磁介电复合材料。提取用于增材制造的聚乳酸(PLA)材料，得到$\varepsilon = 1.80 - j0.031$。同时，提取平均粒径为45 nm的磁性CoFe2O4，得到$\varepsilon $ = $3.10 - j0.084$和$\mu $ = $1.70 - j0.145$;原生asta的磁丝分别为$\varepsilon $ = $1.80 - j0.031$和$\mu $ = $2.19 - j0.569$。3d打印的磁性复合材料用于设计可调谐的环形谐振器，频率为2.4 GHz，频率可调至38 mhz，适用于施加1 kg的磁场。

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

IEEE Microwave and Wireless Components Letters 工程技术-工程：电子与电气

自引率

13.30%

发文量

376

审稿时长

3.0 months

期刊介绍： The IEEE Microwave and Wireless Components Letters (MWCL) publishes four-page papers (3 pages of text + up to 1 page of references) that focus on microwave theory, techniques and applications as they relate to components, devices, circuits, biological effects, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals. This includes scientific, technical, medical and industrial activities. Microwave theory and techniques relates to electromagnetic waves in the frequency range of a few MHz and a THz; other spectral regions and wave types are included within the scope of the MWCL whenever basic microwave theory and techniques can yield useful results. Generally, this occurs in the theory of wave propagation in structures with dimensions comparable to a wavelength, and in the related techniques for analysis and design.