Glide Symmetry Applied to the Design of Common-Mode Rejection Filters Based on Complementary Split-Ring Resonators

被引：9

作者：

Fernandez-Prieto, Armando ^{[1
]}

dos Santos, Victoria ^{[2
]}

Martel, Jesus ^{[3
]}

del Rio, Jose L. Medran ^{[1
]}

Mesa, Francisco ^{[4
]}

Quevedo-Teruel, Oscar ^{[5
]}

Boix, Rafael R. ^{[1
]}

Medina, Francisco ^{[1
]}

机构：

[1] Univ Seville, Fac Fis, Dept Elect & Electromagnetismo, Seville 41012, Spain

[2] Teledyne Innovac Microelect SLU, Digital Imaging Div, MV Sensors, Seville 41092, Spain

[3] Univ Seville, Escuela Tecn Super Arquitectura Sevilla, Dept Fis Aplicada 2, Seville 41012, Spain

[4] Univ Seville, Dept Fis Aplicada 1, ETS Deingn Informat, Seville 41012, Spain

[5] KTH Royal Inst Technol, Sch Elect Engn & Comp Sci, S-10044 Stockholm, Sweden

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2023年 / 70卷 / 06期

关键词：

Couplings; Bandwidth; Microwave filters; Equivalent circuits; Resonator filters; Microstrip; Transmission line measurements; Balanced lines; common-mode rejection; differential mode; glide symmetry; LINES; SUPPRESSION;

D O I：

10.1109/TCSII.2023.3235340

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：

In this brief, glide symmetry is applied to design common-mode rejection filters based on defected ground structures with bandstop response. To this aim, complementary split-ring resonators are chosen as the basic components for common-mode rejection. To illustrate the advantages of using glide symmetry, three implementations are studied and compared. The results reveal that glide symmetry offers the best performance in terms of common-mode rejection level and fractional bandwidth. Furthermore, glide symmetry barely affects the integrity of the differential mode. A prototype of each of the considered symmetries has been designed, simulated, and tested for practical validation. Good agreement is observed between the simulated and measured results, experimentally demonstrating the advantages of glide symmetry.

引用

页码：1911 / 1915

页数：5

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