Design of an interdigital hairpin bandpass filter utilizing a model of coupled slots

Anatoli N. Deleniv, Marina S. Gashinova, Irina B. Vendik, Anders Eriksson

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

A design methodology of an interdigital hairpin filter based on a full-wave model of coupled slots is developed and discussed. It is applied to design a five-pole bandpass filter centered at 1.7 GHz with 1.75% relative bandwidth. A low level of in-band insertion loss is achieved using high-temperature superconductor electrodes. Experimental data are presented and compared with the simulated response. A model of coupled slots embedded in a layered lossy media is developed on the basis of the spectral-domain approach. The multiport admittance (impedance) matrix of the coupled slots is formulated using the E-H duality principle. It is successfully applied in the design of the filter.

Original languageEnglish
Pages (from-to)2153-2158
Number of pages6
JournalIEEE Transactions on Microwave Theory and Techniques
Volume50
Issue number9
DOIs
Publication statusPublished - 1 Sep 2002
Externally publishedYes

Keywords

  • Coplanar waveguides
  • Duality principle
  • Microwave filters
  • Spectral-domain approach

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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