Transmission zero realization in E-plane filters by means of I/O resonator tapping

Efstratios Doumanis, George Goussetis, J. Huurinainen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

A new topology for E-plane filters compatible with the traditional low-cost single metal insert in a split-block housing is proposed. Improved out-of-band rejection is achieved by virtue of the transmission zeros. The overall length of the input and output resonators is reduced by ∼45%, resulting in saving the length of a resonator. A synthesis procedure is outlined. A 4pole filter is demonstrated that implements 2 out-of-band TZs. The technique is well suited to be combined with an extracted pole technique further improving the out-of-band characteristics of the filters. The same 4pole filter is then adopted to accommodate for extra 4 TZs by means of extraction. The simulated loss of the two 4 pole filter presented is 0.22 dB and 0.24 dB, respectively.

Original languageEnglish
Title of host publication2016 46th European Microwave Conference (EuMC)
PublisherIEEE
Pages767-770
Number of pages4
ISBN (Electronic)9782874870439
DOIs
Publication statusPublished - 19 Jan 2017
Event46th European Microwave Conference 2016 - London, United Kingdom
Duration: 4 Oct 20166 Oct 2016

Conference

Conference46th European Microwave Conference 2016
Abbreviated titleEuMC 2016
CountryUnited Kingdom
CityLondon
Period4/10/166/10/16

Keywords

  • E-plane
  • E-plane resonators
  • Extraction
  • Filters
  • Tapping
  • Transmission zeros
  • Waveguide

ASJC Scopus subject areas

  • Radiation
  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Instrumentation

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