Practical design method of distributed-element reflectionless bandstop filters

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

Abstract

A practical reflectionless bandstop filter topology is presented in this paper. One unique feature of the presented distributed-element reflectionless filter circuit compared to others is that it only requires to design and tune $N+1$ pairs of coupled lines for an Nth-order filter. Closed-form design equations for a second-order filter have been provided, and they can be expanded for higher-order filters. For verifying the presented filter topology and the design method, a reflectionless bandstop filter has been designed, fabricated, and measured. The measurement shows that the fabricated filter has the return loss larger than 20 dB in the frequency range of interest, with having the predefined transmission response.

Original languageEnglish
Title of host publication2021 International Conference on Electronics, Information, and Communication, ICEIC 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728191614
DOIs
Publication statusPublished - 2021 Jan 31
Event2021 International Conference on Electronics, Information, and Communication, ICEIC 2021 - Jeju, Korea, Republic of
Duration: 2021 Jan 312021 Feb 3

Publication series

Name2021 International Conference on Electronics, Information, and Communication, ICEIC 2021

Conference

Conference2021 International Conference on Electronics, Information, and Communication, ICEIC 2021
Country/TerritoryKorea, Republic of
CityJeju
Period21/1/3121/2/3

Keywords

  • Filter design

ASJC Scopus subject areas

  • Artificial Intelligence
  • Computer Networks and Communications
  • Information Systems
  • Information Systems and Management
  • Electrical and Electronic Engineering
  • Instrumentation

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