Compact LTCC tri-band filter design

Kengyi Huang, Tsenchieh Chiu, Hann Biau Wu

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

8 Scopus citations


A compact multi-band bandpass filter design with low-temperature co-fired ceramic (LTCC) technology is proposed in this paper. Using divided combline resonators with grounded and coupled capacitors, dual-band (2.4 GHz and 5.5 GHz) and triband (2, 4 and 7 GHz) bandpass filters are obtained. Moreover, while the number of the pass bands increase, the volume of the filter remains almost unchanged. The theoretical analysis of the prototype filters is described in the paper. The measurement and layouts of fabricated components are also presented.

Original languageEnglish
Title of host publication2007 Asia-Pacific Microwave Conference, APMC
StatePublished - 2007
EventAsia-Pacific Microwave Conference, APMC 2007 - Bangkok, Thailand
Duration: 11 Dec 200714 Dec 2007

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC


ConferenceAsia-Pacific Microwave Conference, APMC 2007


  • Component
  • Coupled tine
  • Dual-band bandpass filter
  • Low-temperature co-fired ceramic (LTCC)
  • Tri-band bandpass filter


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