A miniaturized bandpass filter fabricated on high dielectric constant ceramic substrates

Ming Liang Hsieh, Tsung Hui Huang, Lih Shan Chen, Chian Hao Sun, Shuming Wang, Mau Phon Houng, Shen Li Fu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A four-pole open-loop resonator bandpass filter fabricated on high dielectric constant (Zn0.9Mg0.1)TiO3 ceramic substrates is presented. The full-wave simulator IE3D is utilized to calculate the coupling coefficients of each basic coupling structure and simulate S-parameters of the designed bandpass filters. The center frequency of designed bandpass filter is fo = 2.45 GHz and the fractional bandwidth is 4%. The center frequency of the fabricated bandpass filter is at 2.47 GHz and the fractional bandwidth is 5%. The measured insertion loss and return loss of the filter is -3.68 and -14.92 dB, respectively.

Original languageEnglish
Pages (from-to)2087-2090
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume49
Issue number9
DOIs
Publication statusPublished - 2007 Sep 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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