Dual-mode dual-band bandpass filter using balun structure for single substrate configuration

Jung Woo Baik, Lei Zhu, Young Sik Kim

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

A novel dual-mode dual-band bandpass filter (BPF) for a single substrate configuration is proposed that uses a balun structure. The outer and inner loop resonators are simultaneously excited by the microstrip line and slotline balun structure. In spite of the microstrip feed network, the proposed dual-mode BPF can achieve dual-band operation. Two proper degenerate modes in the lower and upper passbands can be generated and controlled by installing an inductive cut and a capacitive patch in the corner of two loops, respectively. This letter deals with the analysis and design of the proposed dual-band BPF as well as the experimental validation of the predicted dual-band performance.

Original languageEnglish
Article number5557751
Pages (from-to)613-615
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume20
Issue number11
DOIs
Publication statusPublished - 2010 Nov 1

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Bandpass filters
bandpass filters
Substrates
configurations
Microstrip lines
Resonators
installing
resonators

Keywords

  • Balun structure
  • bandpass filter (BPF)
  • dual-band filter
  • dual-mode filter
  • single substrate configuration

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Dual-mode dual-band bandpass filter using balun structure for single substrate configuration. / Baik, Jung Woo; Zhu, Lei; Kim, Young Sik.

In: IEEE Microwave and Wireless Components Letters, Vol. 20, No. 11, 5557751, 01.11.2010, p. 613-615.

Research output: Contribution to journalArticle

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