Multilayer stepped-impedance resonator band-pass filter implementing using low temperature cofired ceramic structure

Lih Shan Chen, Min Hung Weng, Tsung Hui Huang, Han Jan Chen, Sheng Fu Su, Mau Phon Houng

Research output: Contribution to journalArticlepeer-review

Abstract

A tapped-line stepped-impedance resonator band-pass filter was implemented using a low temperature cofired multilayer-ceramic structure. By constructing a multilayer structure, a compact band-pass filter was realized. Moreover, the multilayer structure demonstrated an extra cross-coupling effect that produced extra transmission zeros in the stopband and, hence, realized a highly steep passband skirt. The center frequency of the fabricated band-pass filter was 6.075 GHz and the 3 dB fractional bandwidth was 18%. The measured insertion loss and return loss of the filter were -0.31 dB and -28 dB, respectively. The measured response of the fabricated band-pass filter was in good agreement with simulated results.

Original languageEnglish
Pages (from-to)L1290-L1292
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume43
Issue number10 A
DOIs
Publication statusPublished - 2004 Oct 1

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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