Miniaturized trisection BPF design using size-reduced substrate integrated coaxial resonators

被引：1

作者：

Ho, Min-Hua ^{[1
]}

Hsu, Chung-I G. ^{[2
]}

Hung, Jhuo-Ting ^{[2
]}

Shen, You-Lin ^{[1
]}

机构：

[1] Natl Changhua Univ Educ, Grad Inst Commun Engn, Changhua, Taiwan

[2] Natl Yunlin Univ Sci & Technol, Dept Elect Engn, Touliu, Yunlin, Taiwan

来源：

INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS | 2022年 / 68卷 / 02期

关键词：

Circuit miniaturization; substrate integrated coaxial resonator (SICR); substrate integrated waveguide (SIW) cavity; transmission zero allocation; trisection filter; WAVE-GUIDE FILTER;

D O I：

10.3233/JAE-210114

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The contribution of this work is to propose miniaturized trisection bandpass filters (BPFs) using size-reduced substrate integrated coaxial resonators (SICRs). The applied SICRs are operated under a coaxial mode. The occupied circuit area of the SICR developed from its structurally similar one, the substrate integrated waveguide (SIW) cavity, is only 6.2% that of the latter, corresponding to a circuit-area reduction rate of 93.8%. The cross-coupling between the input and output resonators can be either a magnetic or electric coupling for locating the transmission zero near either the upper or lower passband edge, respectively. Sample trisection BPFs with magnetic/electric cross-couplings are built for experimental verification. Agreements between measured and simulated data are observed. These miniaturized trisection BPFs with a freely switchable transmission zero are endowed with the advantage of an excellent circuit-area efficiency in the category of SICR and SIW cavity trisection BPFs.

引用

页码：263 / 273

页数：11

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