General coupling matrix synthesis method for microwave resonator filters of arbitrary topology

Manseok Uhm, Juseop Lee, Inbok Yom, Jeongphill Kim

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

This letter presents a new approach to synthesize the resonator filters of an arbitrary topology. This method employs an optimization method based on the relation between the polynomial coefficients of the transfer function and those of the S21 from the coupling matrix. Therefore, this new method can also be applied to self-equalized filters that were not considered in the conventional optimization methods. Two microwave filters, a symmetric 4-pole filter with four transmission zeros (TZs) and an asymmetric 8-pole filter with seven TZs, are synthesized using the present method for validation. Excellent agreement between the response of the transfer function and that of the synthesized S21 from the coupling matrix is shown.

Original languageEnglish
Pages (from-to)223-226
Number of pages4
JournalETRI Journal
Volume28
Issue number2
DOIs
Publication statusPublished - 2006 Apr
Externally publishedYes

Keywords

  • Coupling matrix
  • Microwave filter
  • Synthesis

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • General Computer Science
  • Electrical and Electronic Engineering

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