Control of bandstop response of Hi-Lo microstrip low-pass filter using slot in ground plane

Adel B. Abdel-Rahman*, Anand K. Verma, Ahmed Boutejdar, A. S. Omar

*Corresponding author for this work

Research output: Contribution to journalArticle

247 Citations (Scopus)

Abstract

This paper examines the effect of the geometrical shapes of a defected ground-plane structure (DGS) slot on performance of the Hi-Lo microstrip low-pass filter (LPF). A three-pole LPF based on an arrowhead DGS slot has 67% less length as compared to a conventional three-pole LPF. It has insertion loss of 0.5 dB and 15-dB rejection in the stophand up to three times the cutoff frequency.

Original languageEnglish
Pages (from-to)1008-1013
Number of pages6
JournalIEEE Transactions on Microwave Theory and Techniques
Volume52
Issue number3
DOIs
Publication statusPublished - Mar 2004
Externally publishedYes

Keywords

  • Defected ground-plane structure (DGS) slot
  • Low-pass filter (LPF)
  • Microstrip filter
  • Slot in ground plane

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