Transient analysis of distortion and coupling in lossy coupled microstrips

James P K Gilb, Constantine Balanis

Research output: Contribution to journalConference article

15 Scopus citations

Abstract

The transient response of lossy coupled microstrips is studied using the spectral-domain approach (SDA) to rigorously compute the dielectric losses. The dielectric loss coefficient is computed using the SDA with a complex dielectric constant, and results are compared with those obtained by the formula advanced by M. V. Schneider (1969) using a finite-difference approximation for the partial derivative. Transient coupling is formulated in the frequency domain by an even/odd mode approach, showing how differences in either the modal loss coefficients or modal propagation constants can be responsible for coupling between lines. Results for pulse distortion on a semiconductor substrate are presented, showing how losses reduce the signal amplitude without significantly distorting the shape.

Original languageEnglish (US)
Pages (from-to)1894-1899
Number of pages6
JournalIEEE Transactions on Microwave Theory and Techniques
Volume38
Issue number12
DOIs
StatePublished - Dec 1 1990
Event1990 IEEE MTT-S International Microwave Symposium - Dallas, TX, USA
Duration: May 8 1990May 10 1990

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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