Equivalent isotropic relative permittivity of microstrip on multilayer anisotropic substrate

A. K. Verma, Y. K. Awasthi, Himanshu Singh

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


A closed-form model to obtain the equivalent isotropic relative permittivity of the multilayer microstrip line on the anisotropic substrate for 0 w/h10, anisotropic ratio 0.5n3 for both low and high permittivity substrates is reported. The model has accuracy 0.5% against the full-wave method. It computes effective relative permittivity and characteristic impedance of microstrip on composite anisotropic substrates with deviations 5.3% and 1.78%, respectively against the EM-software Empire. It is used to obtain dispersion in multilayer anisotropic substrate microstrip up to millimetre wave range with high accuracy against the results of HFSS.

Original languageEnglish
Pages (from-to)865-875
Number of pages11
JournalInternational Journal of Electronics
Issue number8
Publication statusPublished - Aug 2009
Externally publishedYes


  • Anisotropic medium
  • Characteristic impedance
  • Equivalent effective permittivity
  • Isotropic medium
  • Microstrip transmission line


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