Transient analysis of distortion and coupling in lossy coupled microstrips

James P K Gilb, Constantine Balanis

Research output: Contribution to journalArticle

15 Citations (Scopus)

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 1990

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Dielectric losses
Transient analysis
dielectric loss
Permittivity
transient response
coefficients
Semiconductor materials
Derivatives
Substrates
permittivity
propagation
pulses
approximation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Transient analysis of distortion and coupling in lossy coupled microstrips. / Gilb, James P K; Balanis, Constantine.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 38, No. 12, 12.1990, p. 1894-1899.

Research output: Contribution to journalArticle

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