Microstrip dual-band bandpass and bandstop filters

Subash Vegesna, Mohammad Saed

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


In this letter, simple and effective design of dual-band bandpass and bandstop filters using microstrip open-loop resonators is proposed.The dual-band bandpass and bandstop filters developed in this letter exhibit dual operating frequencies that are not integral multiples of each other and are realized using a simple method rather than using the extensive method of extracting coupling coefficient matrix for designing dual-band filters. Parametric analysis is performed on the proposed microstrip structures to determine the optimum dimensions of the dual-band filters. Both simulation and measured results are presented in this letter, and good agreement is obtained between the results.

Original languageEnglish
Pages (from-to)168-171
Number of pages4
JournalMicrowave and Optical Technology Letters
Issue number1
StatePublished - Jan 2012


  • bandpass filter
  • bandstop filter
  • dual band
  • microstrip filters
  • open-loop resonators


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