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Concentric distributed resonators and filters

  • Senad Bulja
  • , Efstratios Doumanis
  • , Dmitry Kozlov

Research output: Chapter in Book/Report/Conference proceedingsConference proceedingpeer-review

Abstract

In this paper we present a concentric, multiple resonant elements realization of a distributed filter. The proposed filter has 3 poles and is designed to operate at a frequency of 1.8 GHz with an absolute bandwidth of 40 MHz, equivalent to 2.22 %. Each resonant chamber of the presented filter consists of 25 individual resonant elements arranged in an interdigitated fashion along the circumference of three concentric rings. The resonator occupies a volume of 40 × 40 × 5 mm3 and has an unloaded quality factor of over 1800. The internal height of the filter (5 mm or 10.8°) is lowest reported in the literature. The measurements of the filter are in an excellent agreement with simulations - the measured insertion loss is 0.44 dB, while the theoretically predicted value stands at 0.37 dB.

Original languageEnglish
Title of host publicationRWS 2018 - Proceedings
Subtitle of host publication2018 IEEE Radio and Wireless Symposium
PublisherIEEE Computer Society
Pages267-269
Number of pages3
ISBN (Electronic)9781538607091
DOIs
Publication statusPublished - 28 Feb 2018
Externally publishedYes
Event2018 IEEE Radio and Wireless Symposium, RWS 2018 - Anaheim, United States
Duration: 14 Jan 201817 Jan 2018

Publication series

NameIEEE Radio and Wireless Symposium, RWS
Volume2018-January
ISSN (Print)2164-2958
ISSN (Electronic)2164-2974

Conference

Conference2018 IEEE Radio and Wireless Symposium, RWS 2018
Country/TerritoryUnited States
CityAnaheim
Period14/01/1817/01/18

Keywords

  • Distributed filters
  • Quality factor
  • Resonator

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