Characteristic impedance of a microstrip line using a DGS cell

Ru Yuan Yang, Min Hung Weng, Hung Wei Wu, Tsung Hui Huang, Mau-phon Houng

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


In this paper, we study the size effects of an H-shaped defected ground structure (DGS) cell upon the characteristic impedance of a microstrip line, by using a simple circuit-analysis method. An LC model of an equivalent circuit can represent the proposed H-shaped DGS cell. It is found that the characteristic impedance of a 50Ω microstrip line can be controlled easily in a wide range by using the H-shaped DGS cell.

Original languageEnglish
Pages (from-to)34-37
Number of pages4
JournalMicrowave and Optical Technology Letters
Issue number1
Publication statusPublished - 2004 Oct 5

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics


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