Browsing Vol 12 No 2 (2018) by Author "Niwat Angkawisittpan"

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    • Development of Wideband Microstrip Bandpass Filters Using DGS and Stub 

      Niwat Angkawisittpan; Nuttapong Bootthanu; Sarawuth Chaimool (มหาวิทยาลัยเทคโนโลยีราชมงคลกรุงเทพ, 2018)
      This research paper proposed the development of wideband microstrip bandpass filters using defected ground structure (DGS) with folded spurline structure and stub. DGS with folded spurline structure provided the resonant ...