A parameter extraction method for microwave direct-coupled-resonator filters with the consideration of component losses

Hong Ming Lee, Chih-Ming Tsai

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

In this paper, a method is proposed to extract the parameters of direct-coupled-resonator filters such as the resonant frequencies, coupling coefficients, and Q factors. The ABCD matrix is firstly built from the simulation or measured response. The components of the filter in each stage can then be decomposed based on the derived functions. Since lossy components can be individually extracted, this method is applicable to lossy filter designs with non-uniform Q distribution. From the extracted parameters, it is clear to indicate the detuned components and is more efficient for them to be fine-tuned. Two filter examples are given finally to validate the proposed method.

Original languageEnglish
Title of host publication2008 IEEE MTT-S International Microwave Symposium Digest, MTT
Pages1083-1086
Number of pages4
DOIs
Publication statusPublished - 2008 Dec 12
Event2008 IEEE MTT-S International Microwave Symposium Digest, MTT - Atlanta, GA, United States
Duration: 2008 Jun 152008 Jun 20

Publication series

NameIEEE MTT-S International Microwave Symposium Digest
ISSN (Print)0149-645X

Other

Other2008 IEEE MTT-S International Microwave Symposium Digest, MTT
CountryUnited States
CityAtlanta, GA
Period08-06-1508-06-20

All Science Journal Classification (ASJC) codes

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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