94 GHz CPW branch-line bandpass filter for planar integrated millimeter-wave circuits

Hyuk Ja Kwon, Sung Woon Moon, Dan An, Mun Kyo Lee, Sang Jin Lee, Byoung Chul Jun, Hyun Chang Park, Jin Koo Rhee

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

7 Scopus citations

Abstract

We report the 94 GHz CPW branch-line bandpass filter for planar integrated millimeter-wave circuits. The basic idea is to use the branch-line coupler as a transversal filtering section by connecting the coupled ports to the open load stubs and taking the isolated port as the output node. The 94 GHz bandpass filter exhibits an insertion loss of 2.5 dB with an 11.7 % 3 dB relative bandwidth at a center frequency of 94 GHz and the return loss is better than -18 dB at a center frequency. The designed and fabricated 94 GHz bandpass filter shows the good performance for planar integrated millimeter-wave circuits.

Original languageEnglish
Title of host publication2006 Asia-Pacific Microwave Conference Proceedings, APMC
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1565-1568
Number of pages4
ISBN (Print)4902339102, 9784902339109
DOIs
StatePublished - 2006
Event2006 Asia-Pacific Microwave Conference, APMC - Yokohama, Japan
Duration: 12 Dec 200615 Dec 2006

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC
Volume3

Conference

Conference2006 Asia-Pacific Microwave Conference, APMC
Country/TerritoryJapan
CityYokohama
Period12/12/0615/12/06

Keywords

  • Bandpass filter
  • Branch-line coupler
  • CPW
  • Planar integrated millimeter-wave circuits

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