Modified closed-form dispersion and loss models of slot-line with conductor thickness

Payal Majumdar*, A. K. Verma

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The CAD oriented closed-form models are presented to compute frequency and conductor thickness dependent effective relative permittivity and characteristic impedance of a slot-line with finite conductor thickness in the range 3 μm-50 μm. The models have average accuracy about 2% against the full-wave results from different sources in the frequency range 2 GHz-60 GHz, 2:22 ≤ ε r ≤20, 0:02 ≤ w/h ≤ 1:0, 0:01 ≤ h/λ o ≤ 0:25/√(ε r-1). The models to compute the dielectric and conductor losses are also presented that show close agreement with the results of the spectral domain analysis. The average deviations for the dielectric and conductor losses are 0.011 Np/m and 0.143 Np/m against the results of SDA in the frequency range 2 GHz-30 GHz for narrow to wide slot-width.

Original languageEnglish
Pages (from-to)271-287
Number of pages17
JournalJournal of Infrared, Millimeter, and Terahertz Waves
Volume31
Issue number3
DOIs
Publication statusPublished - Mar 2010
Externally publishedYes

Keywords

  • Conductor thickness dependent slot-line
  • Dispersive and lossy slot-line
  • Losses in slot-line
  • Slot-line

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