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Quasi-Elliptic Bandpass Filter With Controllable Multiple Transmission Zeros Using Coupled Lines

  • Girdhari Chaudhary*
  • , Phanam Pech
  • , Samdy Saron
  • , Yongchae Jeong
  • *Corresponding author for this work
  • Jeonbuk National University

Research output: Contribution to conferenceConference paperpeer-review

Abstract

This paper presents RF design methodology for quasi-elliptic bandpass filter (BPF) with multiple transmission zeros (TZs). The proposed filter consists of a coupled line BPF section and TZ sections. Both sections comprised of coupled lines with short-circuit stubs. By generating multiple TZs at lower and upper sides of the passband, a quasi-elliptic BPF response can be achieved without affecting the passband response. For experimental proof of concept, a prototype of microstrip line quasi-elliptic BPF was designed and manufactured at center frequency of 3.5 GHz. The measured results demonstrate good agreement with EM simulations and theoretically predicted outcomes.

Original languageEnglish
Title of host publication2023 Asia-Pacific Microwave Conference, APMC 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages196-198
Number of pages3
ISBN (Electronic)9781665494182
DOIs
StatePublished - 2023
Event31st Asia-Pacific Microwave Conference, APMC 2023 - Taipei, Taiwan, Province of China
Duration: 2023.12.52023.12.8

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC
ISSN (Electronic)2690-3946

Conference

Conference31st Asia-Pacific Microwave Conference, APMC 2023
Country/TerritoryTaiwan, Province of China
CityTaipei
Period23.12.523.12.8

Keywords

  • Bandpass filter (BPF)
  • coupled lines
  • group delay
  • multiple transmission zeros
  • quasi-elliptic response

Quacquarelli Symonds(QS) Subject Topics

  • Engineering - Electrical & Electronic
  • Engineering - Petroleum

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