A novel interdigital capacitor with accurate model for left-handed metamaterials

Author

Zhang, Hong-Lin ; Zhang, Xiu-Yin ; Hu, Bin-Jie

Author_Institution

Sch. of Electron. & Inf. Eng., South China Univ. of Technol., Guangzhou, China

fYear

2010

fDate

7-10 Dec. 2010

Firstpage

1463

Lastpage

1465

Abstract

This paper presents a novel interdigital capacitor (IDC) structure with accurate lumped-element circuit model. The IDC employs slotted ground structures and via holes. The proposed structure is able to eliminate the spurious spikes of conventional IDCs. A novel circuit model for the proposed interdigital capacitor is constructed to predict the characteristics of the left-handed metamaterial (LHM) unit cell integrating the proposed IDC. Simulation and measurement show that the spurious spikes are suppressed and the left-handed (LH) characteristics are well predicted by the proposed circuit model.

Keywords

capacitors; metamaterials; accurate lumped-element circuit model; interdigital capacitor structure; left-handed characteristics; left-handed metamaterials; slotted ground structures; via holes; Capacitors; Integrated circuit modeling; Metamaterials; Microwave circuits; Microwave filters; RLC circuits; Strips; Dispersion relation; Interdigital capacitor (IDC); Left-handed metamaterial (LHM);

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference Proceedings (APMC), 2010 Asia-Pacific

Conference_Location

Yokohama

Print_ISBN

978-1-4244-7590-2

Electronic_ISBN

978-1-902339-22-2

Type

conf

Filename

5728538