A 10 GHz Monolithic Filter Based on Stripline Resonators with a Split Conductor

IF 0.6 4区物理与天体物理 Q4 MECHANICS Doklady Physics Pub Date : 2024-03-01 DOI:10.1134/S1028335823120030

I. V. Govorun, B. A. Belyaev, Ya. B. Zav’yalov, T. Y. Shumilov, A. O. Afonin, A. V. Ugryumov, R. G. Galeev

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Abstract

The monolithic design of a compact bandpass filter X-band is made on the technology of multilayered printed circuit boards. Quarter-wave stripline resonators of the filter have two conductors divided by a layer of prepreg having low parameters that bond together the design. This eliminates the influence of the prepreg on the characteristics of the devices, ensuring good repeatability of filters in mass production. To increase the high-frequency stopband of the filter, one of the conductors of each resonator is cut in half by a transverse slit. The constructive sizes of the device were obtained by parametric synthesis using the electrodynamic analysis of its 3D model. The experimental data of the five-order filter are in good agreement with the electromagnetic simulation of filter of the 3D model. The experimental device has a central frequency of the passband of 10 GHz and a fractional bandwidth of 5.7%, and its dimensions and weight are 18.0 × 5.4 × 2.1 mm³ and 0.5 g. The important advantage of the developed design is the possibility of its installation on the board using the surface mounting method.

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基于带分裂导体条纹谐振器的 10 GHz 单片式滤波器

摘要利用多层印刷电路板技术，对紧凑型 X 波段带通滤波器进行了单片设计。滤波器的四分波带状谐振器有两根导体，导体被一层低参数的预浸料隔开，预浸料将设计粘合在一起。这消除了预浸料对器件特性的影响，确保了滤波器在批量生产中的良好可重复性。为了增加滤波器的高频阻带，每个谐振器的其中一个导体被横向狭缝切成两半。器件的构造尺寸是通过对其三维模型的电动力学分析进行参数合成获得的。五阶滤波器的实验数据与三维模型的滤波器电磁仿真结果十分吻合。实验装置的通带中心频率为 10 GHz，分数带宽为 5.7%，尺寸和重量分别为 18.0 × 5.4 × 2.1 mm3 和 0.5 g。

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来源期刊

Doklady Physics 物理-力学

CiteScore

1.40

自引率

12.50%

发文量

审稿时长

4-8 weeks

期刊介绍： Doklady Physics is a journal that publishes new research in physics of great significance. Initially the journal was a forum of the Russian Academy of Science and published only best contributions from Russia in the form of short articles. Now the journal welcomes submissions from any country in the English or Russian language. Every manuscript must be recommended by Russian or foreign members of the Russian Academy of Sciences.