Size-Reduction of Dual-Wideband Bandpass Filters Using Bridged-T Coils

Yun Ru Wang, Yo Shen Lin

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


In this paper, reduced-sized dual-wideband bandpass filter designs using bridged-T coils are proposed. The bridged-T coil can be designed as a wideband lumped-element equivalent of the transmission line, and it is used to replace all or part of the transmission line sections in a conventional dual-wideband bandpass filter for very efficient circuit size reduction. The tradeoff between circuit size and insertion loss is investigated, and practical design examples are presented to demonstrate the filter performance.

Original languageEnglish
Article number6287639
Pages (from-to)42836-42845
Number of pages10
JournalIEEE Access
StatePublished - 2019


  • Bridged-T coil
  • bandpass filter
  • dual-band
  • integrated passive device


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