Techniques to improve sharpness and stop band rejection of Defected Ground Structure based low pass filter

Ashwani Kumar*, A. K. Verma

*Corresponding author for this work

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

Abstract

We propose a new technique to improve the sharpness and stopband rejection. This paper presents a more sharper and wide rejection band low pass filter using Defected Ground Structure (DGS). In this work DGS is realize as a quasi-lumped inductance and the sharpness of cut-off has been controlled by varying the slot neck length and stop band rejection by varying the slot neck width. Such findings are useful for the design of a compact LPF with sharper cutoff and wide stop band rejection.

Original languageEnglish
Title of host publicationAEMC 2011
Subtitle of host publicationIEEE Applied Electromagnetics Conference
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1-5
Number of pages5
ISBN (Electronic)9781457710995, 9781457710971
ISBN (Print)9781457710988
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event2011 IEEE Applied Electromagnetics Conference, AEMC 2011 - Kolkata, India
Duration: 18 Dec 201122 Dec 2011

Other

Other2011 IEEE Applied Electromagnetics Conference, AEMC 2011
CountryIndia
CityKolkata
Period18/12/1122/12/11

Keywords

  • Defected Ground Structure (DGS)
  • microstrip
  • Low pass filter

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